Home / 11,508.37-15,882.90-6,472.78

Finding the Fourth Proportional to 11,508.37, 15,882.90 and 6,472.78

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Solution

The fourth proportional to 11,508.37, 15,882.90 and 6,472.78 is: 8,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.37 : 15,882.90 = 6,472.78 : x
  2. Step 2: Convert to fraction form
    11,508.37/15,882.90 = 6,472.78/x
  3. Step 3: Cross multiply
    11,508.37x = 15,882.90 × 6,472.78
  4. Step 4: Simplify right side
    11,508.37x = 102,806,517.46
  5. Step 5: Solve for x
    x = 102,806,517.46/11,508.37
  6. Step 6: Final answer
    x = 8,933.20

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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.