Home / 18,039.20-27,058.80-4,891.56

Finding the Fourth Proportional to 18,039.20, 27,058.80 and 4,891.56

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Solution

The fourth proportional to 18,039.20, 27,058.80 and 4,891.56 is: 7,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.20 : 27,058.80 = 4,891.56 : x
  2. Step 2: Convert to fraction form
    18,039.20/27,058.80 = 4,891.56/x
  3. Step 3: Cross multiply
    18,039.20x = 27,058.80 × 4,891.56
  4. Step 4: Simplify right side
    18,039.20x = 132,359,743.73
  5. Step 5: Solve for x
    x = 132,359,743.73/18,039.20
  6. Step 6: Final answer
    x = 7,337.34

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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.