Home / 13,849.38-19,117.44-9,396.18

Finding the Fourth Proportional to 13,849.38, 19,117.44 and 9,396.18

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Solution

The fourth proportional to 13,849.38, 19,117.44 and 9,396.18 is: 12,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.38 : 19,117.44 = 9,396.18 : x
  2. Step 2: Convert to fraction form
    13,849.38/19,117.44 = 9,396.18/x
  3. Step 3: Cross multiply
    13,849.38x = 19,117.44 × 9,396.18
  4. Step 4: Simplify right side
    13,849.38x = 179,630,907.38
  5. Step 5: Solve for x
    x = 179,630,907.38/13,849.38
  6. Step 6: Final answer
    x = 12,970.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 13,850.38, 19,118.82 and 9,397.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.