Home / 15,344.33-21,176.29-9,377.14

Finding the Fourth Proportional to 15,344.33, 21,176.29 and 9,377.14

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Solution

The fourth proportional to 15,344.33, 21,176.29 and 9,377.14 is: 12,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.33 : 21,176.29 = 9,377.14 : x
  2. Step 2: Convert to fraction form
    15,344.33/21,176.29 = 9,377.14/x
  3. Step 3: Cross multiply
    15,344.33x = 21,176.29 × 9,377.14
  4. Step 4: Simplify right side
    15,344.33x = 198,572,989.12
  5. Step 5: Solve for x
    x = 198,572,989.12/15,344.33
  6. Step 6: Final answer
    x = 12,941.13

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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.