Home / 18,540.39-27,810.35-4,500.53

Finding the Fourth Proportional to 18,540.39, 27,810.35 and 4,500.53

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Solution

The fourth proportional to 18,540.39, 27,810.35 and 4,500.53 is: 6,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.39 : 27,810.35 = 4,500.53 : x
  2. Step 2: Convert to fraction form
    18,540.39/27,810.35 = 4,500.53/x
  3. Step 3: Cross multiply
    18,540.39x = 27,810.35 × 4,500.53
  4. Step 4: Simplify right side
    18,540.39x = 125,161,314.49
  5. Step 5: Solve for x
    x = 125,161,314.49/18,540.39
  6. Step 6: Final answer
    x = 6,750.74

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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.