Home / 10,439.01-15,650.27-5,175.83

Finding the Fourth Proportional to 10,439.01, 15,650.27 and 5,175.83

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Solution

The fourth proportional to 10,439.01, 15,650.27 and 5,175.83 is: 7,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.01 : 15,650.27 = 5,175.83 : x
  2. Step 2: Convert to fraction form
    10,439.01/15,650.27 = 5,175.83/x
  3. Step 3: Cross multiply
    10,439.01x = 15,650.27 × 5,175.83
  4. Step 4: Simplify right side
    10,439.01x = 81,003,136.97
  5. Step 5: Solve for x
    x = 81,003,136.97/10,439.01
  6. Step 6: Final answer
    x = 7,759.66

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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.