Home / 10,487.20-14,473.92-6,297.76

Finding the Fourth Proportional to 10,487.20, 14,473.92 and 6,297.76

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Solution

The fourth proportional to 10,487.20, 14,473.92 and 6,297.76 is: 8,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.20 : 14,473.92 = 6,297.76 : x
  2. Step 2: Convert to fraction form
    10,487.20/14,473.92 = 6,297.76/x
  3. Step 3: Cross multiply
    10,487.20x = 14,473.92 × 6,297.76
  4. Step 4: Simplify right side
    10,487.20x = 91,153,274.42
  5. Step 5: Solve for x
    x = 91,153,274.42/10,487.20
  6. Step 6: Final answer
    x = 8,691.86

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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.