Home / 20,101.67-30,103.28-14,163.96

Finding the Fourth Proportional to 20,101.67, 30,103.28 and 14,163.96

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Solution

The fourth proportional to 20,101.67, 30,103.28 and 14,163.96 is: 21,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.67 : 30,103.28 = 14,163.96 : x
  2. Step 2: Convert to fraction form
    20,101.67/30,103.28 = 14,163.96/x
  3. Step 3: Cross multiply
    20,101.67x = 30,103.28 × 14,163.96
  4. Step 4: Simplify right side
    20,101.67x = 426,381,748.97
  5. Step 5: Solve for x
    x = 426,381,748.97/20,101.67
  6. Step 6: Final answer
    x = 21,211.26

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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.