Home / 10,374.30-15,550.65-5,687.10

Finding the Fourth Proportional to 10,374.30, 15,550.65 and 5,687.10

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Solution

The fourth proportional to 10,374.30, 15,550.65 and 5,687.10 is: 8,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.30 : 15,550.65 = 5,687.10 : x
  2. Step 2: Convert to fraction form
    10,374.30/15,550.65 = 5,687.10/x
  3. Step 3: Cross multiply
    10,374.30x = 15,550.65 × 5,687.10
  4. Step 4: Simplify right side
    10,374.30x = 88,438,101.62
  5. Step 5: Solve for x
    x = 88,438,101.62/10,374.30
  6. Step 6: Final answer
    x = 8,524.73

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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.