Home / 11,079.18-15,289.56-6,299.91

Finding the Fourth Proportional to 11,079.18, 15,289.56 and 6,299.91

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Solution

The fourth proportional to 11,079.18, 15,289.56 and 6,299.91 is: 8,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.18 : 15,289.56 = 6,299.91 : x
  2. Step 2: Convert to fraction form
    11,079.18/15,289.56 = 6,299.91/x
  3. Step 3: Cross multiply
    11,079.18x = 15,289.56 × 6,299.91
  4. Step 4: Simplify right side
    11,079.18x = 96,322,851.94
  5. Step 5: Solve for x
    x = 96,322,851.94/11,079.18
  6. Step 6: Final answer
    x = 8,694.04

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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.