Home / 18,350.30-27,525.45-13,393.10

Finding the Fourth Proportional to 18,350.30, 27,525.45 and 13,393.10

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Solution

The fourth proportional to 18,350.30, 27,525.45 and 13,393.10 is: 20,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.30 : 27,525.45 = 13,393.10 : x
  2. Step 2: Convert to fraction form
    18,350.30/27,525.45 = 13,393.10/x
  3. Step 3: Cross multiply
    18,350.30x = 27,525.45 × 13,393.10
  4. Step 4: Simplify right side
    18,350.30x = 368,651,104.40
  5. Step 5: Solve for x
    x = 368,651,104.40/18,350.30
  6. Step 6: Final answer
    x = 20,089.65

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Similar ratio
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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.