Home / 10,851.09-14,976.05-6,872.57

Finding the Fourth Proportional to 10,851.09, 14,976.05 and 6,872.57

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Solution

The fourth proportional to 10,851.09, 14,976.05 and 6,872.57 is: 9,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.09 : 14,976.05 = 6,872.57 : x
  2. Step 2: Convert to fraction form
    10,851.09/14,976.05 = 6,872.57/x
  3. Step 3: Cross multiply
    10,851.09x = 14,976.05 × 6,872.57
  4. Step 4: Simplify right side
    10,851.09x = 102,923,951.95
  5. Step 5: Solve for x
    x = 102,923,951.95/10,851.09
  6. Step 6: Final answer
    x = 9,485.13

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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.