Home / 18,017.79-27,027.06-4,691.31

Finding the Fourth Proportional to 18,017.79, 27,027.06 and 4,691.31

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Solution

The fourth proportional to 18,017.79, 27,027.06 and 4,691.31 is: 7,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.79 : 27,027.06 = 4,691.31 : x
  2. Step 2: Convert to fraction form
    18,017.79/27,027.06 = 4,691.31/x
  3. Step 3: Cross multiply
    18,017.79x = 27,027.06 × 4,691.31
  4. Step 4: Simplify right side
    18,017.79x = 126,792,316.85
  5. Step 5: Solve for x
    x = 126,792,316.85/18,017.79
  6. Step 6: Final answer
    x = 7,037.06

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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.