Home / 11,440.30-17,161.06-3,648.50

Finding the Fourth Proportional to 11,440.30, 17,161.06 and 3,648.50

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Solution

The fourth proportional to 11,440.30, 17,161.06 and 3,648.50 is: 5,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.30 : 17,161.06 = 3,648.50 : x
  2. Step 2: Convert to fraction form
    11,440.30/17,161.06 = 3,648.50/x
  3. Step 3: Cross multiply
    11,440.30x = 17,161.06 × 3,648.50
  4. Step 4: Simplify right side
    11,440.30x = 62,612,127.41
  5. Step 5: Solve for x
    x = 62,612,127.41/11,440.30
  6. Step 6: Final answer
    x = 5,472.94

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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.