Home / 10,525.20-15,773.40-8,581.20

Finding the Fourth Proportional to 10,525.20, 15,773.40 and 8,581.20

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Solution

The fourth proportional to 10,525.20, 15,773.40 and 8,581.20 is: 12,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.20 : 15,773.40 = 8,581.20 : x
  2. Step 2: Convert to fraction form
    10,525.20/15,773.40 = 8,581.20/x
  3. Step 3: Cross multiply
    10,525.20x = 15,773.40 × 8,581.20
  4. Step 4: Simplify right side
    10,525.20x = 135,354,700.08
  5. Step 5: Solve for x
    x = 135,354,700.08/10,525.20
  6. Step 6: Final answer
    x = 12,860.06

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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.