Home / 11,150.40-15,387.04-6,182.72

Finding the Fourth Proportional to 11,150.40, 15,387.04 and 6,182.72

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Solution

The fourth proportional to 11,150.40, 15,387.04 and 6,182.72 is: 8,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.40 : 15,387.04 = 6,182.72 : x
  2. Step 2: Convert to fraction form
    11,150.40/15,387.04 = 6,182.72/x
  3. Step 3: Cross multiply
    11,150.40x = 15,387.04 × 6,182.72
  4. Step 4: Simplify right side
    11,150.40x = 95,133,759.95
  5. Step 5: Solve for x
    x = 95,133,759.95/11,150.40
  6. Step 6: Final answer
    x = 8,531.87

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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.