Home / 9,418.68-12,997.68-5,226.96

Finding the Fourth Proportional to 9,418.68, 12,997.68 and 5,226.96

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Solution

The fourth proportional to 9,418.68, 12,997.68 and 5,226.96 is: 7,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.68 : 12,997.68 = 5,226.96 : x
  2. Step 2: Convert to fraction form
    9,418.68/12,997.68 = 5,226.96/x
  3. Step 3: Cross multiply
    9,418.68x = 12,997.68 × 5,226.96
  4. Step 4: Simplify right side
    9,418.68x = 67,938,353.45
  5. Step 5: Solve for x
    x = 67,938,353.45/9,418.68
  6. Step 6: Final answer
    x = 7,213.15

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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.