Home / 19,622.76-29,439.10-8,531.43

Finding the Fourth Proportional to 19,622.76, 29,439.10 and 8,531.43

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Solution

The fourth proportional to 19,622.76, 29,439.10 and 8,531.43 is: 12,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.76 : 29,439.10 = 8,531.43 : x
  2. Step 2: Convert to fraction form
    19,622.76/29,439.10 = 8,531.43/x
  3. Step 3: Cross multiply
    19,622.76x = 29,439.10 × 8,531.43
  4. Step 4: Simplify right side
    19,622.76x = 251,157,473.19
  5. Step 5: Solve for x
    x = 251,157,473.19/19,622.76
  6. Step 6: Final answer
    x = 12,799.30

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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.