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Finding the Fourth Proportional to 11,552.79, 17,330.81 and 3,759.78

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Solution

The fourth proportional to 11,552.79, 17,330.81 and 3,759.78 is: 5,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.79 : 17,330.81 = 3,759.78 : x
  2. Step 2: Convert to fraction form
    11,552.79/17,330.81 = 3,759.78/x
  3. Step 3: Cross multiply
    11,552.79x = 17,330.81 × 3,759.78
  4. Step 4: Simplify right side
    11,552.79x = 65,160,014.02
  5. Step 5: Solve for x
    x = 65,160,014.02/11,552.79
  6. Step 6: Final answer
    x = 5,640.20

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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.