Home / 10,287.77-15,432.38-5,092.25

Finding the Fourth Proportional to 10,287.77, 15,432.38 and 5,092.25

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Solution

The fourth proportional to 10,287.77, 15,432.38 and 5,092.25 is: 7,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.77 : 15,432.38 = 5,092.25 : x
  2. Step 2: Convert to fraction form
    10,287.77/15,432.38 = 5,092.25/x
  3. Step 3: Cross multiply
    10,287.77x = 15,432.38 × 5,092.25
  4. Step 4: Simplify right side
    10,287.77x = 78,585,511.59
  5. Step 5: Solve for x
    x = 78,585,511.59/10,287.77
  6. Step 6: Final answer
    x = 7,638.73

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1.5x scale

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.