Home / 11,626.50-17,450.61-9,045.78

Finding the Fourth Proportional to 11,626.50, 17,450.61 and 9,045.78

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Solution

The fourth proportional to 11,626.50, 17,450.61 and 9,045.78 is: 13,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.50 : 17,450.61 = 9,045.78 : x
  2. Step 2: Convert to fraction form
    11,626.50/17,450.61 = 9,045.78/x
  3. Step 3: Cross multiply
    11,626.50x = 17,450.61 × 9,045.78
  4. Step 4: Simplify right side
    11,626.50x = 157,854,378.93
  5. Step 5: Solve for x
    x = 157,854,378.93/11,626.50
  6. Step 6: Final answer
    x = 13,577.12

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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.