Home / 10,006.20-15,018.71-5,079.38

Finding the Fourth Proportional to 10,006.20, 15,018.71 and 5,079.38

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Solution

The fourth proportional to 10,006.20, 15,018.71 and 5,079.38 is: 7,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.20 : 15,018.71 = 5,079.38 : x
  2. Step 2: Convert to fraction form
    10,006.20/15,018.71 = 5,079.38/x
  3. Step 3: Cross multiply
    10,006.20x = 15,018.71 × 5,079.38
  4. Step 4: Simplify right side
    10,006.20x = 76,285,634.71
  5. Step 5: Solve for x
    x = 76,285,634.71/10,006.20
  6. Step 6: Final answer
    x = 7,623.84

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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.