Home / 13,721.56-20,592.42-10,609.24

Finding the Fourth Proportional to 13,721.56, 20,592.42 and 10,609.24

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Solution

The fourth proportional to 13,721.56, 20,592.42 and 10,609.24 is: 15,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.56 : 20,592.42 = 10,609.24 : x
  2. Step 2: Convert to fraction form
    13,721.56/20,592.42 = 10,609.24/x
  3. Step 3: Cross multiply
    13,721.56x = 20,592.42 × 10,609.24
  4. Step 4: Simplify right side
    13,721.56x = 218,469,925.96
  5. Step 5: Solve for x
    x = 218,469,925.96/13,721.56
  6. Step 6: Final answer
    x = 15,921.65

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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.