Home / 11,414.90-15,752.86-6,378.92

Finding the Fourth Proportional to 11,414.90, 15,752.86 and 6,378.92

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Solution

The fourth proportional to 11,414.90, 15,752.86 and 6,378.92 is: 8,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.90 : 15,752.86 = 6,378.92 : x
  2. Step 2: Convert to fraction form
    11,414.90/15,752.86 = 6,378.92/x
  3. Step 3: Cross multiply
    11,414.90x = 15,752.86 × 6,378.92
  4. Step 4: Simplify right side
    11,414.90x = 100,486,233.71
  5. Step 5: Solve for x
    x = 100,486,233.71/11,414.90
  6. Step 6: Final answer
    x = 8,803.08

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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.