Home / 18,372.20-27,555.35-5,042.08

Finding the Fourth Proportional to 18,372.20, 27,555.35 and 5,042.08

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Solution

The fourth proportional to 18,372.20, 27,555.35 and 5,042.08 is: 7,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.20 : 27,555.35 = 5,042.08 : x
  2. Step 2: Convert to fraction form
    18,372.20/27,555.35 = 5,042.08/x
  3. Step 3: Cross multiply
    18,372.20x = 27,555.35 × 5,042.08
  4. Step 4: Simplify right side
    18,372.20x = 138,936,236.70
  5. Step 5: Solve for x
    x = 138,936,236.70/18,372.20
  6. Step 6: Final answer
    x = 7,562.31

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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.