Home / 10,447.38-15,677.55-9,371.70

Finding the Fourth Proportional to 10,447.38, 15,677.55 and 9,371.70

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Solution

The fourth proportional to 10,447.38, 15,677.55 and 9,371.70 is: 14,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.38 : 15,677.55 = 9,371.70 : x
  2. Step 2: Convert to fraction form
    10,447.38/15,677.55 = 9,371.70/x
  3. Step 3: Cross multiply
    10,447.38x = 15,677.55 × 9,371.70
  4. Step 4: Simplify right side
    10,447.38x = 146,925,295.34
  5. Step 5: Solve for x
    x = 146,925,295.34/10,447.38
  6. Step 6: Final answer
    x = 14,063.36

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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.