Home / 18,132.10-27,181.75-6,442.59

Finding the Fourth Proportional to 18,132.10, 27,181.75 and 6,442.59

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Solution

The fourth proportional to 18,132.10, 27,181.75 and 6,442.59 is: 9,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.10 : 27,181.75 = 6,442.59 : x
  2. Step 2: Convert to fraction form
    18,132.10/27,181.75 = 6,442.59/x
  3. Step 3: Cross multiply
    18,132.10x = 27,181.75 × 6,442.59
  4. Step 4: Simplify right side
    18,132.10x = 175,120,833.86
  5. Step 5: Solve for x
    x = 175,120,833.86/18,132.10
  6. Step 6: Final answer
    x = 9,658.05

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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.