Home / 11,480.57-15,843.18-6,444.79

Finding the Fourth Proportional to 11,480.57, 15,843.18 and 6,444.79

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Solution

The fourth proportional to 11,480.57, 15,843.18 and 6,444.79 is: 8,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.57 : 15,843.18 = 6,444.79 : x
  2. Step 2: Convert to fraction form
    11,480.57/15,843.18 = 6,444.79/x
  3. Step 3: Cross multiply
    11,480.57x = 15,843.18 × 6,444.79
  4. Step 4: Simplify right side
    11,480.57x = 102,105,968.03
  5. Step 5: Solve for x
    x = 102,105,968.03/11,480.57
  6. Step 6: Final answer
    x = 8,893.81

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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.