Home / 9,418.92-12,998.16-5,227.18

Finding the Fourth Proportional to 9,418.92, 12,998.16 and 5,227.18

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Solution

The fourth proportional to 9,418.92, 12,998.16 and 5,227.18 is: 7,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.92 : 12,998.16 = 5,227.18 : x
  2. Step 2: Convert to fraction form
    9,418.92/12,998.16 = 5,227.18/x
  3. Step 3: Cross multiply
    9,418.92x = 12,998.16 × 5,227.18
  4. Step 4: Simplify right side
    9,418.92x = 67,943,721.99
  5. Step 5: Solve for x
    x = 67,943,721.99/9,418.92
  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.