Home / 18,432.18-27,659.10-8,042.58

Finding the Fourth Proportional to 18,432.18, 27,659.10 and 8,042.58

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Solution

The fourth proportional to 18,432.18, 27,659.10 and 8,042.58 is: 12,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.18 : 27,659.10 = 8,042.58 : x
  2. Step 2: Convert to fraction form
    18,432.18/27,659.10 = 8,042.58/x
  3. Step 3: Cross multiply
    18,432.18x = 27,659.10 × 8,042.58
  4. Step 4: Simplify right side
    18,432.18x = 222,450,524.48
  5. Step 5: Solve for x
    x = 222,450,524.48/18,432.18
  6. Step 6: Final answer
    x = 12,068.60

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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.