Home / 22,027.11-30,397.48-11,955.55

Finding the Fourth Proportional to 22,027.11, 30,397.48 and 11,955.55

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Solution

The fourth proportional to 22,027.11, 30,397.48 and 11,955.55 is: 16,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.11 : 30,397.48 = 11,955.55 : x
  2. Step 2: Convert to fraction form
    22,027.11/30,397.48 = 11,955.55/x
  3. Step 3: Cross multiply
    22,027.11x = 30,397.48 × 11,955.55
  4. Step 4: Simplify right side
    22,027.11x = 363,418,543.13
  5. Step 5: Solve for x
    x = 363,418,543.13/22,027.11
  6. Step 6: Final answer
    x = 16,498.70

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Half scale
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Double scale
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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.