Home / 15,139.23-22,712.49-4,750.98

Finding the Fourth Proportional to 15,139.23, 22,712.49 and 4,750.98

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Solution

The fourth proportional to 15,139.23, 22,712.49 and 4,750.98 is: 7,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.23 : 22,712.49 = 4,750.98 : x
  2. Step 2: Convert to fraction form
    15,139.23/22,712.49 = 4,750.98/x
  3. Step 3: Cross multiply
    15,139.23x = 22,712.49 × 4,750.98
  4. Step 4: Simplify right side
    15,139.23x = 107,906,500.57
  5. Step 5: Solve for x
    x = 107,906,500.57/15,139.23
  6. Step 6: Final answer
    x = 7,127.61

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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.