Home / 12,227.66-18,343.87-5,207.59

Finding the Fourth Proportional to 12,227.66, 18,343.87 and 5,207.59

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Solution

The fourth proportional to 12,227.66, 18,343.87 and 5,207.59 is: 7,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.66 : 18,343.87 = 5,207.59 : x
  2. Step 2: Convert to fraction form
    12,227.66/18,343.87 = 5,207.59/x
  3. Step 3: Cross multiply
    12,227.66x = 18,343.87 × 5,207.59
  4. Step 4: Simplify right side
    12,227.66x = 95,527,363.88
  5. Step 5: Solve for x
    x = 95,527,363.88/12,227.66
  6. Step 6: Final answer
    x = 7,812.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.