Home / 22,043.52-30,419.96-11,971.88

Finding the Fourth Proportional to 22,043.52, 30,419.96 and 11,971.88

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Solution

The fourth proportional to 22,043.52, 30,419.96 and 11,971.88 is: 16,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.52 : 30,419.96 = 11,971.88 : x
  2. Step 2: Convert to fraction form
    22,043.52/30,419.96 = 11,971.88/x
  3. Step 3: Cross multiply
    22,043.52x = 30,419.96 × 11,971.88
  4. Step 4: Simplify right side
    22,043.52x = 364,184,110.72
  5. Step 5: Solve for x
    x = 364,184,110.72/22,043.52
  6. Step 6: Final answer
    x = 16,521.14

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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.