Home / 14,242.05-21,363.08-9,315.84

Finding the Fourth Proportional to 14,242.05, 21,363.08 and 9,315.84

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Solution

The fourth proportional to 14,242.05, 21,363.08 and 9,315.84 is: 13,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.05 : 21,363.08 = 9,315.84 : x
  2. Step 2: Convert to fraction form
    14,242.05/21,363.08 = 9,315.84/x
  3. Step 3: Cross multiply
    14,242.05x = 21,363.08 × 9,315.84
  4. Step 4: Simplify right side
    14,242.05x = 199,014,928.37
  5. Step 5: Solve for x
    x = 199,014,928.37/14,242.05
  6. Step 6: Final answer
    x = 13,973.75

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Similar ratio
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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.