Home / 20,195.38-30,290.64-7,046.65

Finding the Fourth Proportional to 20,195.38, 30,290.64 and 7,046.65

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Solution

The fourth proportional to 20,195.38, 30,290.64 and 7,046.65 is: 10,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.38 : 30,290.64 = 7,046.65 : x
  2. Step 2: Convert to fraction form
    20,195.38/30,290.64 = 7,046.65/x
  3. Step 3: Cross multiply
    20,195.38x = 30,290.64 × 7,046.65
  4. Step 4: Simplify right side
    20,195.38x = 213,447,538.36
  5. Step 5: Solve for x
    x = 213,447,538.36/20,195.38
  6. Step 6: Final answer
    x = 10,569.13

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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.