Home / 22,064.38-30,448.85-11,992.93

Finding the Fourth Proportional to 22,064.38, 30,448.85 and 11,992.93

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Solution

The fourth proportional to 22,064.38, 30,448.85 and 11,992.93 is: 16,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.38 : 30,448.85 = 11,992.93 : x
  2. Step 2: Convert to fraction form
    22,064.38/30,448.85 = 11,992.93/x
  3. Step 3: Cross multiply
    22,064.38x = 30,448.85 × 11,992.93
  4. Step 4: Simplify right side
    22,064.38x = 365,170,714.42
  5. Step 5: Solve for x
    x = 365,170,714.42/22,064.38
  6. Step 6: Final answer
    x = 16,550.24

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Half scale
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Double scale
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Similar ratio
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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.