Home / 18,134.85-27,205.02-6,445.29

Finding the Fourth Proportional to 18,134.85, 27,205.02 and 6,445.29

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Solution

The fourth proportional to 18,134.85, 27,205.02 and 6,445.29 is: 9,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.85 : 27,205.02 = 6,445.29 : x
  2. Step 2: Convert to fraction form
    18,134.85/27,205.02 = 6,445.29/x
  3. Step 3: Cross multiply
    18,134.85x = 27,205.02 × 6,445.29
  4. Step 4: Simplify right side
    18,134.85x = 175,344,243.36
  5. Step 5: Solve for x
    x = 175,344,243.36/18,134.85
  6. Step 6: Final answer
    x = 9,668.91

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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.