Home / 10,490.12-15,735.30-3,565.16

Finding the Fourth Proportional to 10,490.12, 15,735.30 and 3,565.16

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Solution

The fourth proportional to 10,490.12, 15,735.30 and 3,565.16 is: 5,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.12 : 15,735.30 = 3,565.16 : x
  2. Step 2: Convert to fraction form
    10,490.12/15,735.30 = 3,565.16/x
  3. Step 3: Cross multiply
    10,490.12x = 15,735.30 × 3,565.16
  4. Step 4: Simplify right side
    10,490.12x = 56,098,862.15
  5. Step 5: Solve for x
    x = 56,098,862.15/10,490.12
  6. Step 6: Final answer
    x = 5,347.78

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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.