Home / 15,605.67-23,414.34-8,104.55

Finding the Fourth Proportional to 15,605.67, 23,414.34 and 8,104.55

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Solution

The fourth proportional to 15,605.67, 23,414.34 and 8,104.55 is: 12,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.67 : 23,414.34 = 8,104.55 : x
  2. Step 2: Convert to fraction form
    15,605.67/23,414.34 = 8,104.55/x
  3. Step 3: Cross multiply
    15,605.67x = 23,414.34 × 8,104.55
  4. Step 4: Simplify right side
    15,605.67x = 189,762,572.18
  5. Step 5: Solve for x
    x = 189,762,572.18/15,605.67
  6. Step 6: Final answer
    x = 12,159.85

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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.