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Finding the Fourth Proportional to 8,800.28, 13,108.73 and 8,332.80

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Solution

The fourth proportional to 8,800.28, 13,108.73 and 8,332.80 is: 12,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.28 : 13,108.73 = 8,332.80 : x
  2. Step 2: Convert to fraction form
    8,800.28/13,108.73 = 8,332.80/x
  3. Step 3: Cross multiply
    8,800.28x = 13,108.73 × 8,332.80
  4. Step 4: Simplify right side
    8,800.28x = 109,232,383.68
  5. Step 5: Solve for x
    x = 109,232,383.68/8,800.28
  6. Step 6: Final answer
    x = 12,412.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.