Home / 18,500.55-25,531.04-10,542.61

Finding the Fourth Proportional to 18,500.55, 25,531.04 and 10,542.61

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Solution

The fourth proportional to 18,500.55, 25,531.04 and 10,542.61 is: 14,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.55 : 25,531.04 = 10,542.61 : x
  2. Step 2: Convert to fraction form
    18,500.55/25,531.04 = 10,542.61/x
  3. Step 3: Cross multiply
    18,500.55x = 25,531.04 × 10,542.61
  4. Step 4: Simplify right side
    18,500.55x = 269,163,712.27
  5. Step 5: Solve for x
    x = 269,163,712.27/18,500.55
  6. Step 6: Final answer
    x = 14,548.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.