Home / 22,064.32-30,448.80-11,992.73

Finding the Fourth Proportional to 22,064.32, 30,448.80 and 11,992.73

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Solution

The fourth proportional to 22,064.32, 30,448.80 and 11,992.73 is: 16,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.32 : 30,448.80 = 11,992.73 : x
  2. Step 2: Convert to fraction form
    22,064.32/30,448.80 = 11,992.73/x
  3. Step 3: Cross multiply
    22,064.32x = 30,448.80 × 11,992.73
  4. Step 4: Simplify right side
    22,064.32x = 365,164,392.92
  5. Step 5: Solve for x
    x = 365,164,392.92/22,064.32
  6. Step 6: Final answer
    x = 16,549.99

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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.