Home / 15,687.22-23,532.92-8,291.98

Finding the Fourth Proportional to 15,687.22, 23,532.92 and 8,291.98

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Solution

The fourth proportional to 15,687.22, 23,532.92 and 8,291.98 is: 12,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.22 : 23,532.92 = 8,291.98 : x
  2. Step 2: Convert to fraction form
    15,687.22/23,532.92 = 8,291.98/x
  3. Step 3: Cross multiply
    15,687.22x = 23,532.92 × 8,291.98
  4. Step 4: Simplify right side
    15,687.22x = 195,134,501.98
  5. Step 5: Solve for x
    x = 195,134,501.98/15,687.22
  6. Step 6: Final answer
    x = 12,439.07

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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.