Home / 11,522.10-15,902.48-8,512.84

Finding the Fourth Proportional to 11,522.10, 15,902.48 and 8,512.84

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Solution

The fourth proportional to 11,522.10, 15,902.48 and 8,512.84 is: 11,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.10 : 15,902.48 = 8,512.84 : x
  2. Step 2: Convert to fraction form
    11,522.10/15,902.48 = 8,512.84/x
  3. Step 3: Cross multiply
    11,522.10x = 15,902.48 × 8,512.84
  4. Step 4: Simplify right side
    11,522.10x = 135,375,267.84
  5. Step 5: Solve for x
    x = 135,375,267.84/11,522.10
  6. Step 6: Final answer
    x = 11,749.18

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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.