Home / 11,440.39-17,160.59-3,649

Finding the Fourth Proportional to 11,440.39, 17,160.59 and 3,649

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Solution

The fourth proportional to 11,440.39, 17,160.59 and 3,649 is: 5,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.39 : 17,160.59 = 3,649 : x
  2. Step 2: Convert to fraction form
    11,440.39/17,160.59 = 3,649/x
  3. Step 3: Cross multiply
    11,440.39x = 17,160.59 × 3,649
  4. Step 4: Simplify right side
    11,440.39x = 62,618,992.91
  5. Step 5: Solve for x
    x = 62,618,992.91/11,440.39
  6. Step 6: Final answer
    x = 5,473.50

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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.