Home / 19,517.61-29,255.46-8,429.52

Finding the Fourth Proportional to 19,517.61, 29,255.46 and 8,429.52

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Solution

The fourth proportional to 19,517.61, 29,255.46 and 8,429.52 is: 12,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.61 : 29,255.46 = 8,429.52 : x
  2. Step 2: Convert to fraction form
    19,517.61/29,255.46 = 8,429.52/x
  3. Step 3: Cross multiply
    19,517.61x = 29,255.46 × 8,429.52
  4. Step 4: Simplify right side
    19,517.61x = 246,609,485.18
  5. Step 5: Solve for x
    x = 246,609,485.18/19,517.61
  6. Step 6: Final answer
    x = 12,635.23

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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.