Home / 11,167.52-15,411.35-6,132.20

Finding the Fourth Proportional to 11,167.52, 15,411.35 and 6,132.20

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Solution

The fourth proportional to 11,167.52, 15,411.35 and 6,132.20 is: 8,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.52 : 15,411.35 = 6,132.20 : x
  2. Step 2: Convert to fraction form
    11,167.52/15,411.35 = 6,132.20/x
  3. Step 3: Cross multiply
    11,167.52x = 15,411.35 × 6,132.20
  4. Step 4: Simplify right side
    11,167.52x = 94,505,372.75
  5. Step 5: Solve for x
    x = 94,505,372.75/11,167.52
  6. Step 6: Final answer
    x = 8,462.52

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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.