Home / 8,816.43-12,168.39-5,232.18

Finding the Fourth Proportional to 8,816.43, 12,168.39 and 5,232.18

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Solution

The fourth proportional to 8,816.43, 12,168.39 and 5,232.18 is: 7,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.43 : 12,168.39 = 5,232.18 : x
  2. Step 2: Convert to fraction form
    8,816.43/12,168.39 = 5,232.18/x
  3. Step 3: Cross multiply
    8,816.43x = 12,168.39 × 5,232.18
  4. Step 4: Simplify right side
    8,816.43x = 63,667,206.79
  5. Step 5: Solve for x
    x = 63,667,206.79/8,816.43
  6. Step 6: Final answer
    x = 7,221.43

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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.