Home / 9,418.24-12,998.28-5,226.76

Finding the Fourth Proportional to 9,418.24, 12,998.28 and 5,226.76

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Solution

The fourth proportional to 9,418.24, 12,998.28 and 5,226.76 is: 7,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.24 : 12,998.28 = 5,226.76 : x
  2. Step 2: Convert to fraction form
    9,418.24/12,998.28 = 5,226.76/x
  3. Step 3: Cross multiply
    9,418.24x = 12,998.28 × 5,226.76
  4. Step 4: Simplify right side
    9,418.24x = 67,938,889.97
  5. Step 5: Solve for x
    x = 67,938,889.97/9,418.24
  6. Step 6: Final answer
    x = 7,213.54

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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.