Home / 9,863.46-13,611.56-5,889.92

Finding the Fourth Proportional to 9,863.46, 13,611.56 and 5,889.92

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Solution

The fourth proportional to 9,863.46, 13,611.56 and 5,889.92 is: 8,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.46 : 13,611.56 = 5,889.92 : x
  2. Step 2: Convert to fraction form
    9,863.46/13,611.56 = 5,889.92/x
  3. Step 3: Cross multiply
    9,863.46x = 13,611.56 × 5,889.92
  4. Step 4: Simplify right side
    9,863.46x = 80,170,901.97
  5. Step 5: Solve for x
    x = 80,170,901.97/9,863.46
  6. Step 6: Final answer
    x = 8,128.07

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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.