Home / 9,079.28-13,611.68-8,350.32

Finding the Fourth Proportional to 9,079.28, 13,611.68 and 8,350.32

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Solution

The fourth proportional to 9,079.28, 13,611.68 and 8,350.32 is: 12,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.28 : 13,611.68 = 8,350.32 : x
  2. Step 2: Convert to fraction form
    9,079.28/13,611.68 = 8,350.32/x
  3. Step 3: Cross multiply
    9,079.28x = 13,611.68 × 8,350.32
  4. Step 4: Simplify right side
    9,079.28x = 113,661,883.74
  5. Step 5: Solve for x
    x = 113,661,883.74/9,079.28
  6. Step 6: Final answer
    x = 12,518.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.