Home / 11,440.05-17,160.68-3,648.25

Finding the Fourth Proportional to 11,440.05, 17,160.68 and 3,648.25

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Solution

The fourth proportional to 11,440.05, 17,160.68 and 3,648.25 is: 5,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.05 : 17,160.68 = 3,648.25 : x
  2. Step 2: Convert to fraction form
    11,440.05/17,160.68 = 3,648.25/x
  3. Step 3: Cross multiply
    11,440.05x = 17,160.68 × 3,648.25
  4. Step 4: Simplify right side
    11,440.05x = 62,606,450.81
  5. Step 5: Solve for x
    x = 62,606,450.81/11,440.05
  6. Step 6: Final answer
    x = 5,472.57

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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.