Home / 18,456.40-27,671.19-7,359.76

Finding the Fourth Proportional to 18,456.40, 27,671.19 and 7,359.76

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Solution

The fourth proportional to 18,456.40, 27,671.19 and 7,359.76 is: 11,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.40 : 27,671.19 = 7,359.76 : x
  2. Step 2: Convert to fraction form
    18,456.40/27,671.19 = 7,359.76/x
  3. Step 3: Cross multiply
    18,456.40x = 27,671.19 × 7,359.76
  4. Step 4: Simplify right side
    18,456.40x = 203,653,317.31
  5. Step 5: Solve for x
    x = 203,653,317.31/18,456.40
  6. Step 6: Final answer
    x = 11,034.29

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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.