Home / 10,255.22-15,378.02-6,095.78

Finding the Fourth Proportional to 10,255.22, 15,378.02 and 6,095.78

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Solution

The fourth proportional to 10,255.22, 15,378.02 and 6,095.78 is: 9,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.22 : 15,378.02 = 6,095.78 : x
  2. Step 2: Convert to fraction form
    10,255.22/15,378.02 = 6,095.78/x
  3. Step 3: Cross multiply
    10,255.22x = 15,378.02 × 6,095.78
  4. Step 4: Simplify right side
    10,255.22x = 93,740,996.28
  5. Step 5: Solve for x
    x = 93,740,996.28/10,255.22
  6. Step 6: Final answer
    x = 9,140.81

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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.