Home / 10,121.95-13,974.79-6,350.29

Finding the Fourth Proportional to 10,121.95, 13,974.79 and 6,350.29

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Solution

The fourth proportional to 10,121.95, 13,974.79 and 6,350.29 is: 8,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.95 : 13,974.79 = 6,350.29 : x
  2. Step 2: Convert to fraction form
    10,121.95/13,974.79 = 6,350.29/x
  3. Step 3: Cross multiply
    10,121.95x = 13,974.79 × 6,350.29
  4. Step 4: Simplify right side
    10,121.95x = 88,743,969.19
  5. Step 5: Solve for x
    x = 88,743,969.19/10,121.95
  6. Step 6: Final answer
    x = 8,767.48

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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.