Home / 19,531.53-29,292.63-8,432.15

Finding the Fourth Proportional to 19,531.53, 29,292.63 and 8,432.15

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Solution

The fourth proportional to 19,531.53, 29,292.63 and 8,432.15 is: 12,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.53 : 29,292.63 = 8,432.15 : x
  2. Step 2: Convert to fraction form
    19,531.53/29,292.63 = 8,432.15/x
  3. Step 3: Cross multiply
    19,531.53x = 29,292.63 × 8,432.15
  4. Step 4: Simplify right side
    19,531.53x = 246,999,703.59
  5. Step 5: Solve for x
    x = 246,999,703.59/19,531.53
  6. Step 6: Final answer
    x = 12,646.20

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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.