Home / 10,986.42-15,161.92-6,737.96

Finding the Fourth Proportional to 10,986.42, 15,161.92 and 6,737.96

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Solution

The fourth proportional to 10,986.42, 15,161.92 and 6,737.96 is: 9,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.42 : 15,161.92 = 6,737.96 : x
  2. Step 2: Convert to fraction form
    10,986.42/15,161.92 = 6,737.96/x
  3. Step 3: Cross multiply
    10,986.42x = 15,161.92 × 6,737.96
  4. Step 4: Simplify right side
    10,986.42x = 102,160,410.48
  5. Step 5: Solve for x
    x = 102,160,410.48/10,986.42
  6. Step 6: Final answer
    x = 9,298.79

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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.