Home / 20,202.73-30,310.30-10,348.93

Finding the Fourth Proportional to 20,202.73, 30,310.30 and 10,348.93

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Solution

The fourth proportional to 20,202.73, 30,310.30 and 10,348.93 is: 15,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.73 : 30,310.30 = 10,348.93 : x
  2. Step 2: Convert to fraction form
    20,202.73/30,310.30 = 10,348.93/x
  3. Step 3: Cross multiply
    20,202.73x = 30,310.30 × 10,348.93
  4. Step 4: Simplify right side
    20,202.73x = 313,679,172.98
  5. Step 5: Solve for x
    x = 313,679,172.98/20,202.73
  6. Step 6: Final answer
    x = 15,526.57

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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.