Home / 18,654.29-27,983.48-6,169.76

Finding the Fourth Proportional to 18,654.29, 27,983.48 and 6,169.76

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Solution

The fourth proportional to 18,654.29, 27,983.48 and 6,169.76 is: 9,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.29 : 27,983.48 = 6,169.76 : x
  2. Step 2: Convert to fraction form
    18,654.29/27,983.48 = 6,169.76/x
  3. Step 3: Cross multiply
    18,654.29x = 27,983.48 × 6,169.76
  4. Step 4: Simplify right side
    18,654.29x = 172,651,355.56
  5. Step 5: Solve for x
    x = 172,651,355.56/18,654.29
  6. Step 6: Final answer
    x = 9,255.32

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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.