Home / 18,261.20-27,340.92-11,671.12

Finding the Fourth Proportional to 18,261.20, 27,340.92 and 11,671.12

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Solution

The fourth proportional to 18,261.20, 27,340.92 and 11,671.12 is: 17,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.20 : 27,340.92 = 11,671.12 : x
  2. Step 2: Convert to fraction form
    18,261.20/27,340.92 = 11,671.12/x
  3. Step 3: Cross multiply
    18,261.20x = 27,340.92 × 11,671.12
  4. Step 4: Simplify right side
    18,261.20x = 319,099,158.23
  5. Step 5: Solve for x
    x = 319,099,158.23/18,261.20
  6. Step 6: Final answer
    x = 17,474.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.