Home / 11,398.43-15,728.25-6,362.18

Finding the Fourth Proportional to 11,398.43, 15,728.25 and 6,362.18

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Solution

The fourth proportional to 11,398.43, 15,728.25 and 6,362.18 is: 8,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.43 : 15,728.25 = 6,362.18 : x
  2. Step 2: Convert to fraction form
    11,398.43/15,728.25 = 6,362.18/x
  3. Step 3: Cross multiply
    11,398.43x = 15,728.25 × 6,362.18
  4. Step 4: Simplify right side
    11,398.43x = 100,065,878.94
  5. Step 5: Solve for x
    x = 100,065,878.94/11,398.43
  6. Step 6: Final answer
    x = 8,778.92

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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.