Home / 20,167.62-30,259.62-9,066.78

Finding the Fourth Proportional to 20,167.62, 30,259.62 and 9,066.78

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Solution

The fourth proportional to 20,167.62, 30,259.62 and 9,066.78 is: 13,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.62 : 30,259.62 = 9,066.78 : x
  2. Step 2: Convert to fraction form
    20,167.62/30,259.62 = 9,066.78/x
  3. Step 3: Cross multiply
    20,167.62x = 30,259.62 × 9,066.78
  4. Step 4: Simplify right side
    20,167.62x = 274,357,317.42
  5. Step 5: Solve for x
    x = 274,357,317.42/20,167.62
  6. Step 6: Final answer
    x = 13,603.85

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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.