Home / 10,418.76-15,627.74-4,176.90

Finding the Fourth Proportional to 10,418.76, 15,627.74 and 4,176.90

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Solution

The fourth proportional to 10,418.76, 15,627.74 and 4,176.90 is: 6,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.76 : 15,627.74 = 4,176.90 : x
  2. Step 2: Convert to fraction form
    10,418.76/15,627.74 = 4,176.90/x
  3. Step 3: Cross multiply
    10,418.76x = 15,627.74 × 4,176.90
  4. Step 4: Simplify right side
    10,418.76x = 65,275,486.32
  5. Step 5: Solve for x
    x = 65,275,486.32/10,418.76
  6. Step 6: Final answer
    x = 6,265.19

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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.