Home / 10,588.20-15,869.97-8,510.55

Finding the Fourth Proportional to 10,588.20, 15,869.97 and 8,510.55

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Solution

The fourth proportional to 10,588.20, 15,869.97 and 8,510.55 is: 12,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.20 : 15,869.97 = 8,510.55 : x
  2. Step 2: Convert to fraction form
    10,588.20/15,869.97 = 8,510.55/x
  3. Step 3: Cross multiply
    10,588.20x = 15,869.97 × 8,510.55
  4. Step 4: Simplify right side
    10,588.20x = 135,062,173.18
  5. Step 5: Solve for x
    x = 135,062,173.18/10,588.20
  6. Step 6: Final answer
    x = 12,755.91

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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.