Home / 15,924.38-21,981.69-10,617.26

Finding the Fourth Proportional to 15,924.38, 21,981.69 and 10,617.26

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Solution

The fourth proportional to 15,924.38, 21,981.69 and 10,617.26 is: 14,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.38 : 21,981.69 = 10,617.26 : x
  2. Step 2: Convert to fraction form
    15,924.38/21,981.69 = 10,617.26/x
  3. Step 3: Cross multiply
    15,924.38x = 21,981.69 × 10,617.26
  4. Step 4: Simplify right side
    15,924.38x = 233,385,317.97
  5. Step 5: Solve for x
    x = 233,385,317.97/15,924.38
  6. Step 6: Final answer
    x = 14,655.85

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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.