Home / 10,152.47-15,229.62-2,756.97

Finding the Fourth Proportional to 10,152.47, 15,229.62 and 2,756.97

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Solution

The fourth proportional to 10,152.47, 15,229.62 and 2,756.97 is: 4,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.47 : 15,229.62 = 2,756.97 : x
  2. Step 2: Convert to fraction form
    10,152.47/15,229.62 = 2,756.97/x
  3. Step 3: Cross multiply
    10,152.47x = 15,229.62 × 2,756.97
  4. Step 4: Simplify right side
    10,152.47x = 41,987,605.45
  5. Step 5: Solve for x
    x = 41,987,605.45/10,152.47
  6. Step 6: Final answer
    x = 4,135.70

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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.