Home / 11,400.42-17,074.66-7,874.40

Finding the Fourth Proportional to 11,400.42, 17,074.66 and 7,874.40

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Solution

The fourth proportional to 11,400.42, 17,074.66 and 7,874.40 is: 11,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.42 : 17,074.66 = 7,874.40 : x
  2. Step 2: Convert to fraction form
    11,400.42/17,074.66 = 7,874.40/x
  3. Step 3: Cross multiply
    11,400.42x = 17,074.66 × 7,874.40
  4. Step 4: Simplify right side
    11,400.42x = 134,452,640.82
  5. Step 5: Solve for x
    x = 134,452,640.82/11,400.42
  6. Step 6: Final answer
    x = 11,793.66

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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.