Home / 10,759.86-14,853.66-7,180.80

Finding the Fourth Proportional to 10,759.86, 14,853.66 and 7,180.80

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Solution

The fourth proportional to 10,759.86, 14,853.66 and 7,180.80 is: 9,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.86 : 14,853.66 = 7,180.80 : x
  2. Step 2: Convert to fraction form
    10,759.86/14,853.66 = 7,180.80/x
  3. Step 3: Cross multiply
    10,759.86x = 14,853.66 × 7,180.80
  4. Step 4: Simplify right side
    10,759.86x = 106,661,161.73
  5. Step 5: Solve for x
    x = 106,661,161.73/10,759.86
  6. Step 6: Final answer
    x = 9,912.88

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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.