Home / 10,519.76-14,517.96-6,798.80

Finding the Fourth Proportional to 10,519.76, 14,517.96 and 6,798.80

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Solution

The fourth proportional to 10,519.76, 14,517.96 and 6,798.80 is: 9,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.76 : 14,517.96 = 6,798.80 : x
  2. Step 2: Convert to fraction form
    10,519.76/14,517.96 = 6,798.80/x
  3. Step 3: Cross multiply
    10,519.76x = 14,517.96 × 6,798.80
  4. Step 4: Simplify right side
    10,519.76x = 98,704,706.45
  5. Step 5: Solve for x
    x = 98,704,706.45/10,519.76
  6. Step 6: Final answer
    x = 9,382.79

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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.