Home / 10,828.76-16,211.46-9,791.15

Finding the Fourth Proportional to 10,828.76, 16,211.46 and 9,791.15

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Solution

The fourth proportional to 10,828.76, 16,211.46 and 9,791.15 is: 14,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.76 : 16,211.46 = 9,791.15 : x
  2. Step 2: Convert to fraction form
    10,828.76/16,211.46 = 9,791.15/x
  3. Step 3: Cross multiply
    10,828.76x = 16,211.46 × 9,791.15
  4. Step 4: Simplify right side
    10,828.76x = 158,728,836.58
  5. Step 5: Solve for x
    x = 158,728,836.58/10,828.76
  6. Step 6: Final answer
    x = 14,658.08

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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.