Home / 11,929.27-17,874.42-7,250.71

Finding the Fourth Proportional to 11,929.27, 17,874.42 and 7,250.71

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Solution

The fourth proportional to 11,929.27, 17,874.42 and 7,250.71 is: 10,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.27 : 17,874.42 = 7,250.71 : x
  2. Step 2: Convert to fraction form
    11,929.27/17,874.42 = 7,250.71/x
  3. Step 3: Cross multiply
    11,929.27x = 17,874.42 × 7,250.71
  4. Step 4: Simplify right side
    11,929.27x = 129,602,235.84
  5. Step 5: Solve for x
    x = 129,602,235.84/11,929.27
  6. Step 6: Final answer
    x = 10,864.22

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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.