Home / 11,608.10-17,400.11-4,578.57

Finding the Fourth Proportional to 11,608.10, 17,400.11 and 4,578.57

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Solution

The fourth proportional to 11,608.10, 17,400.11 and 4,578.57 is: 6,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.10 : 17,400.11 = 4,578.57 : x
  2. Step 2: Convert to fraction form
    11,608.10/17,400.11 = 4,578.57/x
  3. Step 3: Cross multiply
    11,608.10x = 17,400.11 × 4,578.57
  4. Step 4: Simplify right side
    11,608.10x = 79,667,598.75
  5. Step 5: Solve for x
    x = 79,667,598.75/11,608.10
  6. Step 6: Final answer
    x = 6,863.11

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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.