Home / 12,701.49-17,522.22-8,226.69

Finding the Fourth Proportional to 12,701.49, 17,522.22 and 8,226.69

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Solution

The fourth proportional to 12,701.49, 17,522.22 and 8,226.69 is: 11,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.49 : 17,522.22 = 8,226.69 : x
  2. Step 2: Convert to fraction form
    12,701.49/17,522.22 = 8,226.69/x
  3. Step 3: Cross multiply
    12,701.49x = 17,522.22 × 8,226.69
  4. Step 4: Simplify right side
    12,701.49x = 144,149,872.05
  5. Step 5: Solve for x
    x = 144,149,872.05/12,701.49
  6. Step 6: Final answer
    x = 11,349.05

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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.