Home / 20,196.79-30,301.37-10,343.04

Finding the Fourth Proportional to 20,196.79, 30,301.37 and 10,343.04

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Solution

The fourth proportional to 20,196.79, 30,301.37 and 10,343.04 is: 15,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.79 : 30,301.37 = 10,343.04 : x
  2. Step 2: Convert to fraction form
    20,196.79/30,301.37 = 10,343.04/x
  3. Step 3: Cross multiply
    20,196.79x = 30,301.37 × 10,343.04
  4. Step 4: Simplify right side
    20,196.79x = 313,408,281.96
  5. Step 5: Solve for x
    x = 313,408,281.96/20,196.79
  6. Step 6: Final answer
    x = 15,517.73

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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.