Home / 10,891.06-16,317.45-7,766.39

Finding the Fourth Proportional to 10,891.06, 16,317.45 and 7,766.39

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Solution

The fourth proportional to 10,891.06, 16,317.45 and 7,766.39 is: 11,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.06 : 16,317.45 = 7,766.39 : x
  2. Step 2: Convert to fraction form
    10,891.06/16,317.45 = 7,766.39/x
  3. Step 3: Cross multiply
    10,891.06x = 16,317.45 × 7,766.39
  4. Step 4: Simplify right side
    10,891.06x = 126,727,721.30
  5. Step 5: Solve for x
    x = 126,727,721.30/10,891.06
  6. Step 6: Final answer
    x = 11,635.94

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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.