Home / 15,332.38-21,154.86-9,361.84

Finding the Fourth Proportional to 15,332.38, 21,154.86 and 9,361.84

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Solution

The fourth proportional to 15,332.38, 21,154.86 and 9,361.84 is: 12,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.38 : 21,154.86 = 9,361.84 : x
  2. Step 2: Convert to fraction form
    15,332.38/21,154.86 = 9,361.84/x
  3. Step 3: Cross multiply
    15,332.38x = 21,154.86 × 9,361.84
  4. Step 4: Simplify right side
    15,332.38x = 198,048,414.54
  5. Step 5: Solve for x
    x = 198,048,414.54/15,332.38
  6. Step 6: Final answer
    x = 12,917.00

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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.