Home / 18,326.13-27,489.20-4,475.13

Finding the Fourth Proportional to 18,326.13, 27,489.20 and 4,475.13

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Solution

The fourth proportional to 18,326.13, 27,489.20 and 4,475.13 is: 6,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.13 : 27,489.20 = 4,475.13 : x
  2. Step 2: Convert to fraction form
    18,326.13/27,489.20 = 4,475.13/x
  3. Step 3: Cross multiply
    18,326.13x = 27,489.20 × 4,475.13
  4. Step 4: Simplify right side
    18,326.13x = 123,017,743.60
  5. Step 5: Solve for x
    x = 123,017,743.60/18,326.13
  6. Step 6: Final answer
    x = 6,712.70

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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.