Home / 18,948.27-28,422.42-5,097.27

Finding the Fourth Proportional to 18,948.27, 28,422.42 and 5,097.27

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Solution

The fourth proportional to 18,948.27, 28,422.42 and 5,097.27 is: 7,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.27 : 28,422.42 = 5,097.27 : x
  2. Step 2: Convert to fraction form
    18,948.27/28,422.42 = 5,097.27/x
  3. Step 3: Cross multiply
    18,948.27x = 28,422.42 × 5,097.27
  4. Step 4: Simplify right side
    18,948.27x = 144,876,748.79
  5. Step 5: Solve for x
    x = 144,876,748.79/18,948.27
  6. Step 6: Final answer
    x = 7,645.91

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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.