Home / 22,145.25-30,561.66-12,714.42

Finding the Fourth Proportional to 22,145.25, 30,561.66 and 12,714.42

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Solution

The fourth proportional to 22,145.25, 30,561.66 and 12,714.42 is: 17,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.25 : 30,561.66 = 12,714.42 : x
  2. Step 2: Convert to fraction form
    22,145.25/30,561.66 = 12,714.42/x
  3. Step 3: Cross multiply
    22,145.25x = 30,561.66 × 12,714.42
  4. Step 4: Simplify right side
    22,145.25x = 388,573,781.14
  5. Step 5: Solve for x
    x = 388,573,781.14/22,145.25
  6. Step 6: Final answer
    x = 17,546.60

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Half scale
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Double scale
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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.