Home / 10,966.38-16,451.27-3,569.09

Finding the Fourth Proportional to 10,966.38, 16,451.27 and 3,569.09

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Solution

The fourth proportional to 10,966.38, 16,451.27 and 3,569.09 is: 5,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.38 : 16,451.27 = 3,569.09 : x
  2. Step 2: Convert to fraction form
    10,966.38/16,451.27 = 3,569.09/x
  3. Step 3: Cross multiply
    10,966.38x = 16,451.27 × 3,569.09
  4. Step 4: Simplify right side
    10,966.38x = 58,716,063.24
  5. Step 5: Solve for x
    x = 58,716,063.24/10,966.38
  6. Step 6: Final answer
    x = 5,354.19

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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.