Home / 11,649.95-16,077.12-6,344.76

Finding the Fourth Proportional to 11,649.95, 16,077.12 and 6,344.76

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Solution

The fourth proportional to 11,649.95, 16,077.12 and 6,344.76 is: 8,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.95 : 16,077.12 = 6,344.76 : x
  2. Step 2: Convert to fraction form
    11,649.95/16,077.12 = 6,344.76/x
  3. Step 3: Cross multiply
    11,649.95x = 16,077.12 × 6,344.76
  4. Step 4: Simplify right side
    11,649.95x = 102,005,504.39
  5. Step 5: Solve for x
    x = 102,005,504.39/11,649.95
  6. Step 6: Final answer
    x = 8,755.87

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1.5x scale

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.