Home / 10,278.24-14,180.85-6,297.90

Finding the Fourth Proportional to 10,278.24, 14,180.85 and 6,297.90

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Solution

The fourth proportional to 10,278.24, 14,180.85 and 6,297.90 is: 8,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.24 : 14,180.85 = 6,297.90 : x
  2. Step 2: Convert to fraction form
    10,278.24/14,180.85 = 6,297.90/x
  3. Step 3: Cross multiply
    10,278.24x = 14,180.85 × 6,297.90
  4. Step 4: Simplify right side
    10,278.24x = 89,309,575.22
  5. Step 5: Solve for x
    x = 89,309,575.22/10,278.24
  6. Step 6: Final answer
    x = 8,689.19

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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.