Home / 18,454.14-27,685.29-5,305.50

Finding the Fourth Proportional to 18,454.14, 27,685.29 and 5,305.50

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Solution

The fourth proportional to 18,454.14, 27,685.29 and 5,305.50 is: 7,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.14 : 27,685.29 = 5,305.50 : x
  2. Step 2: Convert to fraction form
    18,454.14/27,685.29 = 5,305.50/x
  3. Step 3: Cross multiply
    18,454.14x = 27,685.29 × 5,305.50
  4. Step 4: Simplify right side
    18,454.14x = 146,884,306.10
  5. Step 5: Solve for x
    x = 146,884,306.10/18,454.14
  6. Step 6: Final answer
    x = 7,959.42

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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.