Home / 9,489.24-13,084.50-6,127.64

Finding the Fourth Proportional to 9,489.24, 13,084.50 and 6,127.64

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Solution

The fourth proportional to 9,489.24, 13,084.50 and 6,127.64 is: 8,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.24 : 13,084.50 = 6,127.64 : x
  2. Step 2: Convert to fraction form
    9,489.24/13,084.50 = 6,127.64/x
  3. Step 3: Cross multiply
    9,489.24x = 13,084.50 × 6,127.64
  4. Step 4: Simplify right side
    9,489.24x = 80,177,105.58
  5. Step 5: Solve for x
    x = 80,177,105.58/9,489.24
  6. Step 6: Final answer
    x = 8,449.27

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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.