Home / 14,108.67-21,160.85-3,721.23

Finding the Fourth Proportional to 14,108.67, 21,160.85 and 3,721.23

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Solution

The fourth proportional to 14,108.67, 21,160.85 and 3,721.23 is: 5,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.67 : 21,160.85 = 3,721.23 : x
  2. Step 2: Convert to fraction form
    14,108.67/21,160.85 = 3,721.23/x
  3. Step 3: Cross multiply
    14,108.67x = 21,160.85 × 3,721.23
  4. Step 4: Simplify right side
    14,108.67x = 78,744,371.24
  5. Step 5: Solve for x
    x = 78,744,371.24/14,108.67
  6. Step 6: Final answer
    x = 5,581.28

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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.