Home / 18,111.52-27,168.90-4,963.96

Finding the Fourth Proportional to 18,111.52, 27,168.90 and 4,963.96

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Solution

The fourth proportional to 18,111.52, 27,168.90 and 4,963.96 is: 7,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.52 : 27,168.90 = 4,963.96 : x
  2. Step 2: Convert to fraction form
    18,111.52/27,168.90 = 4,963.96/x
  3. Step 3: Cross multiply
    18,111.52x = 27,168.90 × 4,963.96
  4. Step 4: Simplify right side
    18,111.52x = 134,865,332.84
  5. Step 5: Solve for x
    x = 134,865,332.84/18,111.52
  6. Step 6: Final answer
    x = 7,446.38

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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.