Home / 10,589.31-15,867.57-8,243.76

Finding the Fourth Proportional to 10,589.31, 15,867.57 and 8,243.76

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Solution

The fourth proportional to 10,589.31, 15,867.57 and 8,243.76 is: 12,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.31 : 15,867.57 = 8,243.76 : x
  2. Step 2: Convert to fraction form
    10,589.31/15,867.57 = 8,243.76/x
  3. Step 3: Cross multiply
    10,589.31x = 15,867.57 × 8,243.76
  4. Step 4: Simplify right side
    10,589.31x = 130,808,438.86
  5. Step 5: Solve for x
    x = 130,808,438.86/10,589.31
  6. Step 6: Final answer
    x = 12,352.88

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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.