Home / 10,964.96-16,445.28-3,174.56

Finding the Fourth Proportional to 10,964.96, 16,445.28 and 3,174.56

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Solution

The fourth proportional to 10,964.96, 16,445.28 and 3,174.56 is: 4,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.96 : 16,445.28 = 3,174.56 : x
  2. Step 2: Convert to fraction form
    10,964.96/16,445.28 = 3,174.56/x
  3. Step 3: Cross multiply
    10,964.96x = 16,445.28 × 3,174.56
  4. Step 4: Simplify right side
    10,964.96x = 52,206,528.08
  5. Step 5: Solve for x
    x = 52,206,528.08/10,964.96
  6. Step 6: Final answer
    x = 4,761.21

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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.