Home / 22,239.28-30,690.09-12,167.53

Finding the Fourth Proportional to 22,239.28, 30,690.09 and 12,167.53

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Solution

The fourth proportional to 22,239.28, 30,690.09 and 12,167.53 is: 16,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.28 : 30,690.09 = 12,167.53 : x
  2. Step 2: Convert to fraction form
    22,239.28/30,690.09 = 12,167.53/x
  3. Step 3: Cross multiply
    22,239.28x = 30,690.09 × 12,167.53
  4. Step 4: Simplify right side
    22,239.28x = 373,422,590.78
  5. Step 5: Solve for x
    x = 373,422,590.78/22,239.28
  6. Step 6: Final answer
    x = 16,791.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.