Home / 11,422.11-15,755.94-6,705.48

Finding the Fourth Proportional to 11,422.11, 15,755.94 and 6,705.48

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Solution

The fourth proportional to 11,422.11, 15,755.94 and 6,705.48 is: 9,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.11 : 15,755.94 = 6,705.48 : x
  2. Step 2: Convert to fraction form
    11,422.11/15,755.94 = 6,705.48/x
  3. Step 3: Cross multiply
    11,422.11x = 15,755.94 × 6,705.48
  4. Step 4: Simplify right side
    11,422.11x = 105,651,140.55
  5. Step 5: Solve for x
    x = 105,651,140.55/11,422.11
  6. Step 6: Final answer
    x = 9,249.70

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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.