Home / 22,043.54-30,419.88-11,971.76

Finding the Fourth Proportional to 22,043.54, 30,419.88 and 11,971.76

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Solution

The fourth proportional to 22,043.54, 30,419.88 and 11,971.76 is: 16,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.54 : 30,419.88 = 11,971.76 : x
  2. Step 2: Convert to fraction form
    22,043.54/30,419.88 = 11,971.76/x
  3. Step 3: Cross multiply
    22,043.54x = 30,419.88 × 11,971.76
  4. Step 4: Simplify right side
    22,043.54x = 364,179,502.59
  5. Step 5: Solve for x
    x = 364,179,502.59/22,043.54
  6. Step 6: Final answer
    x = 16,520.92

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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.