Home / 10,939.86-15,097.14-8,552.52

Finding the Fourth Proportional to 10,939.86, 15,097.14 and 8,552.52

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Solution

The fourth proportional to 10,939.86, 15,097.14 and 8,552.52 is: 11,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.86 : 15,097.14 = 8,552.52 : x
  2. Step 2: Convert to fraction form
    10,939.86/15,097.14 = 8,552.52/x
  3. Step 3: Cross multiply
    10,939.86x = 15,097.14 × 8,552.52
  4. Step 4: Simplify right side
    10,939.86x = 129,118,591.79
  5. Step 5: Solve for x
    x = 129,118,591.79/10,939.86
  6. Step 6: Final answer
    x = 11,802.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.