Home / 10,443.92-15,665.88-5,248.56

Finding the Fourth Proportional to 10,443.92, 15,665.88 and 5,248.56

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Solution

The fourth proportional to 10,443.92, 15,665.88 and 5,248.56 is: 7,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.92 : 15,665.88 = 5,248.56 : x
  2. Step 2: Convert to fraction form
    10,443.92/15,665.88 = 5,248.56/x
  3. Step 3: Cross multiply
    10,443.92x = 15,665.88 × 5,248.56
  4. Step 4: Simplify right side
    10,443.92x = 82,223,311.13
  5. Step 5: Solve for x
    x = 82,223,311.13/10,443.92
  6. Step 6: Final answer
    x = 7,872.84

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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.