Home / 11,380.28-15,704.74-6,601.19

Finding the Fourth Proportional to 11,380.28, 15,704.74 and 6,601.19

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Solution

The fourth proportional to 11,380.28, 15,704.74 and 6,601.19 is: 9,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.28 : 15,704.74 = 6,601.19 : x
  2. Step 2: Convert to fraction form
    11,380.28/15,704.74 = 6,601.19/x
  3. Step 3: Cross multiply
    11,380.28x = 15,704.74 × 6,601.19
  4. Step 4: Simplify right side
    11,380.28x = 103,669,953.58
  5. Step 5: Solve for x
    x = 103,669,953.58/11,380.28
  6. Step 6: Final answer
    x = 9,109.61

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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.