Home / 18,182.10-27,287.72-9,419.52

Finding the Fourth Proportional to 18,182.10, 27,287.72 and 9,419.52

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Solution

The fourth proportional to 18,182.10, 27,287.72 and 9,419.52 is: 14,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.10 : 27,287.72 = 9,419.52 : x
  2. Step 2: Convert to fraction form
    18,182.10/27,287.72 = 9,419.52/x
  3. Step 3: Cross multiply
    18,182.10x = 27,287.72 × 9,419.52
  4. Step 4: Simplify right side
    18,182.10x = 257,037,177.20
  5. Step 5: Solve for x
    x = 257,037,177.20/18,182.10
  6. Step 6: Final answer
    x = 14,136.83

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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.