Home / 11,640.16-17,462.97-3,320.29

Finding the Fourth Proportional to 11,640.16, 17,462.97 and 3,320.29

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Solution

The fourth proportional to 11,640.16, 17,462.97 and 3,320.29 is: 4,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.16 : 17,462.97 = 3,320.29 : x
  2. Step 2: Convert to fraction form
    11,640.16/17,462.97 = 3,320.29/x
  3. Step 3: Cross multiply
    11,640.16x = 17,462.97 × 3,320.29
  4. Step 4: Simplify right side
    11,640.16x = 57,982,137.15
  5. Step 5: Solve for x
    x = 57,982,137.15/11,640.16
  6. Step 6: Final answer
    x = 4,981.22

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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.