Home / 20,167.38-30,248.64-7,018.65

Finding the Fourth Proportional to 20,167.38, 30,248.64 and 7,018.65

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Solution

The fourth proportional to 20,167.38, 30,248.64 and 7,018.65 is: 10,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.38 : 30,248.64 = 7,018.65 : x
  2. Step 2: Convert to fraction form
    20,167.38/30,248.64 = 7,018.65/x
  3. Step 3: Cross multiply
    20,167.38x = 30,248.64 × 7,018.65
  4. Step 4: Simplify right side
    20,167.38x = 212,304,617.14
  5. Step 5: Solve for x
    x = 212,304,617.14/20,167.38
  6. Step 6: Final answer
    x = 10,527.13

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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.