Home / 11,518.19-15,895.52-6,414.15

Finding the Fourth Proportional to 11,518.19, 15,895.52 and 6,414.15

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Solution

The fourth proportional to 11,518.19, 15,895.52 and 6,414.15 is: 8,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.19 : 15,895.52 = 6,414.15 : x
  2. Step 2: Convert to fraction form
    11,518.19/15,895.52 = 6,414.15/x
  3. Step 3: Cross multiply
    11,518.19x = 15,895.52 × 6,414.15
  4. Step 4: Simplify right side
    11,518.19x = 101,956,217.54
  5. Step 5: Solve for x
    x = 101,956,217.54/11,518.19
  6. Step 6: Final answer
    x = 8,851.76

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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.