Home / 10,250.02-15,387.18-8,626.78

Finding the Fourth Proportional to 10,250.02, 15,387.18 and 8,626.78

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Solution

The fourth proportional to 10,250.02, 15,387.18 and 8,626.78 is: 12,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.02 : 15,387.18 = 8,626.78 : x
  2. Step 2: Convert to fraction form
    10,250.02/15,387.18 = 8,626.78/x
  3. Step 3: Cross multiply
    10,250.02x = 15,387.18 × 8,626.78
  4. Step 4: Simplify right side
    10,250.02x = 132,741,816.68
  5. Step 5: Solve for x
    x = 132,741,816.68/10,250.02
  6. Step 6: Final answer
    x = 12,950.40

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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.