Home / 11,387.38-17,077.76-4,366.88

Finding the Fourth Proportional to 11,387.38, 17,077.76 and 4,366.88

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Solution

The fourth proportional to 11,387.38, 17,077.76 and 4,366.88 is: 6,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.38 : 17,077.76 = 4,366.88 : x
  2. Step 2: Convert to fraction form
    11,387.38/17,077.76 = 4,366.88/x
  3. Step 3: Cross multiply
    11,387.38x = 17,077.76 × 4,366.88
  4. Step 4: Simplify right side
    11,387.38x = 74,576,421.37
  5. Step 5: Solve for x
    x = 74,576,421.37/11,387.38
  6. Step 6: Final answer
    x = 6,549.04

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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.