Home / 13,173.39-19,738.15-9,269.60

Finding the Fourth Proportional to 13,173.39, 19,738.15 and 9,269.60

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Solution

The fourth proportional to 13,173.39, 19,738.15 and 9,269.60 is: 13,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.39 : 19,738.15 = 9,269.60 : x
  2. Step 2: Convert to fraction form
    13,173.39/19,738.15 = 9,269.60/x
  3. Step 3: Cross multiply
    13,173.39x = 19,738.15 × 9,269.60
  4. Step 4: Simplify right side
    13,173.39x = 182,964,633.38
  5. Step 5: Solve for x
    x = 182,964,633.38/13,173.39
  6. Step 6: Final answer
    x = 13,888.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.