Home / 18,452.80-27,680.55-5,305.29

Finding the Fourth Proportional to 18,452.80, 27,680.55 and 5,305.29

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Solution

The fourth proportional to 18,452.80, 27,680.55 and 5,305.29 is: 7,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.80 : 27,680.55 = 5,305.29 : x
  2. Step 2: Convert to fraction form
    18,452.80/27,680.55 = 5,305.29/x
  3. Step 3: Cross multiply
    18,452.80x = 27,680.55 × 5,305.29
  4. Step 4: Simplify right side
    18,452.80x = 146,853,345.11
  5. Step 5: Solve for x
    x = 146,853,345.11/18,452.80
  6. Step 6: Final answer
    x = 7,958.32

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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.