Home / 22,115.48-30,518.75-12,043.70

Finding the Fourth Proportional to 22,115.48, 30,518.75 and 12,043.70

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Solution

The fourth proportional to 22,115.48, 30,518.75 and 12,043.70 is: 16,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.48 : 30,518.75 = 12,043.70 : x
  2. Step 2: Convert to fraction form
    22,115.48/30,518.75 = 12,043.70/x
  3. Step 3: Cross multiply
    22,115.48x = 30,518.75 × 12,043.70
  4. Step 4: Simplify right side
    22,115.48x = 367,558,456.56
  5. Step 5: Solve for x
    x = 367,558,456.56/22,115.48
  6. Step 6: Final answer
    x = 16,619.97

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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.