Home / 18,700.38-28,044.84-6,217.14

Finding the Fourth Proportional to 18,700.38, 28,044.84 and 6,217.14

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Solution

The fourth proportional to 18,700.38, 28,044.84 and 6,217.14 is: 9,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.38 : 28,044.84 = 6,217.14 : x
  2. Step 2: Convert to fraction form
    18,700.38/28,044.84 = 6,217.14/x
  3. Step 3: Cross multiply
    18,700.38x = 28,044.84 × 6,217.14
  4. Step 4: Simplify right side
    18,700.38x = 174,358,696.56
  5. Step 5: Solve for x
    x = 174,358,696.56/18,700.38
  6. Step 6: Final answer
    x = 9,323.81

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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.