Home / 11,323.14-15,620.49-8,800.80

Finding the Fourth Proportional to 11,323.14, 15,620.49 and 8,800.80

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Solution

The fourth proportional to 11,323.14, 15,620.49 and 8,800.80 is: 12,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.14 : 15,620.49 = 8,800.80 : x
  2. Step 2: Convert to fraction form
    11,323.14/15,620.49 = 8,800.80/x
  3. Step 3: Cross multiply
    11,323.14x = 15,620.49 × 8,800.80
  4. Step 4: Simplify right side
    11,323.14x = 137,472,808.39
  5. Step 5: Solve for x
    x = 137,472,808.39/11,323.14
  6. Step 6: Final answer
    x = 12,140.87

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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.