Home / 22,242.35-30,694.46-12,170.76

Finding the Fourth Proportional to 22,242.35, 30,694.46 and 12,170.76

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Solution

The fourth proportional to 22,242.35, 30,694.46 and 12,170.76 is: 16,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.35 : 30,694.46 = 12,170.76 : x
  2. Step 2: Convert to fraction form
    22,242.35/30,694.46 = 12,170.76/x
  3. Step 3: Cross multiply
    22,242.35x = 30,694.46 × 12,170.76
  4. Step 4: Simplify right side
    22,242.35x = 373,574,845.14
  5. Step 5: Solve for x
    x = 373,574,845.14/22,242.35
  6. Step 6: Final answer
    x = 16,795.66

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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.