Home / 22,216.60-30,659.27-13,264.89

Finding the Fourth Proportional to 22,216.60, 30,659.27 and 13,264.89

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Solution

The fourth proportional to 22,216.60, 30,659.27 and 13,264.89 is: 18,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.60 : 30,659.27 = 13,264.89 : x
  2. Step 2: Convert to fraction form
    22,216.60/30,659.27 = 13,264.89/x
  3. Step 3: Cross multiply
    22,216.60x = 30,659.27 × 13,264.89
  4. Step 4: Simplify right side
    22,216.60x = 406,691,723.90
  5. Step 5: Solve for x
    x = 406,691,723.90/22,216.60
  6. Step 6: Final answer
    x = 18,305.76

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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.