Home / 18,731.12-28,094.13-6,250.87

Finding the Fourth Proportional to 18,731.12, 28,094.13 and 6,250.87

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Solution

The fourth proportional to 18,731.12, 28,094.13 and 6,250.87 is: 9,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.12 : 28,094.13 = 6,250.87 : x
  2. Step 2: Convert to fraction form
    18,731.12/28,094.13 = 6,250.87/x
  3. Step 3: Cross multiply
    18,731.12x = 28,094.13 × 6,250.87
  4. Step 4: Simplify right side
    18,731.12x = 175,612,684.16
  5. Step 5: Solve for x
    x = 175,612,684.16/18,731.12
  6. Step 6: Final answer
    x = 9,375.45

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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.