Home / 10,974.27-15,138.32-6,727.39

Finding the Fourth Proportional to 10,974.27, 15,138.32 and 6,727.39

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Solution

The fourth proportional to 10,974.27, 15,138.32 and 6,727.39 is: 9,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.27 : 15,138.32 = 6,727.39 : x
  2. Step 2: Convert to fraction form
    10,974.27/15,138.32 = 6,727.39/x
  3. Step 3: Cross multiply
    10,974.27x = 15,138.32 × 6,727.39
  4. Step 4: Simplify right side
    10,974.27x = 101,841,361.56
  5. Step 5: Solve for x
    x = 101,841,361.56/10,974.27
  6. Step 6: Final answer
    x = 9,280.01

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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.