Home / 22,287.96-30,757.43-12,216.76

Finding the Fourth Proportional to 22,287.96, 30,757.43 and 12,216.76

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Solution

The fourth proportional to 22,287.96, 30,757.43 and 12,216.76 is: 16,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.96 : 30,757.43 = 12,216.76 : x
  2. Step 2: Convert to fraction form
    22,287.96/30,757.43 = 12,216.76/x
  3. Step 3: Cross multiply
    22,287.96x = 30,757.43 × 12,216.76
  4. Step 4: Simplify right side
    22,287.96x = 375,756,094.18
  5. Step 5: Solve for x
    x = 375,756,094.18/22,287.96
  6. Step 6: Final answer
    x = 16,859.15

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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.