Home / 11,352.03-15,680.81-9,469.85

Finding the Fourth Proportional to 11,352.03, 15,680.81 and 9,469.85

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Solution

The fourth proportional to 11,352.03, 15,680.81 and 9,469.85 is: 13,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.03 : 15,680.81 = 9,469.85 : x
  2. Step 2: Convert to fraction form
    11,352.03/15,680.81 = 9,469.85/x
  3. Step 3: Cross multiply
    11,352.03x = 15,680.81 × 9,469.85
  4. Step 4: Simplify right side
    11,352.03x = 148,494,792.83
  5. Step 5: Solve for x
    x = 148,494,792.83/11,352.03
  6. Step 6: Final answer
    x = 13,080.90

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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.