Home / 11,244.80-16,867.20-9,859.70

Finding the Fourth Proportional to 11,244.80, 16,867.20 and 9,859.70

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Solution

The fourth proportional to 11,244.80, 16,867.20 and 9,859.70 is: 14,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.80 : 16,867.20 = 9,859.70 : x
  2. Step 2: Convert to fraction form
    11,244.80/16,867.20 = 9,859.70/x
  3. Step 3: Cross multiply
    11,244.80x = 16,867.20 × 9,859.70
  4. Step 4: Simplify right side
    11,244.80x = 166,305,531.84
  5. Step 5: Solve for x
    x = 166,305,531.84/11,244.80
  6. Step 6: Final answer
    x = 14,789.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.