Home / 19,290.14-28,937.33-6,139.43

Finding the Fourth Proportional to 19,290.14, 28,937.33 and 6,139.43

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Solution

The fourth proportional to 19,290.14, 28,937.33 and 6,139.43 is: 9,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.14 : 28,937.33 = 6,139.43 : x
  2. Step 2: Convert to fraction form
    19,290.14/28,937.33 = 6,139.43/x
  3. Step 3: Cross multiply
    19,290.14x = 28,937.33 × 6,139.43
  4. Step 4: Simplify right side
    19,290.14x = 177,658,711.92
  5. Step 5: Solve for x
    x = 177,658,711.92/19,290.14
  6. Step 6: Final answer
    x = 9,209.82

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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.