Home / 20,200.67-30,307.18-10,346.92

Finding the Fourth Proportional to 20,200.67, 30,307.18 and 10,346.92

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Solution

The fourth proportional to 20,200.67, 30,307.18 and 10,346.92 is: 15,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.67 : 30,307.18 = 10,346.92 : x
  2. Step 2: Convert to fraction form
    20,200.67/30,307.18 = 10,346.92/x
  3. Step 3: Cross multiply
    20,200.67x = 30,307.18 × 10,346.92
  4. Step 4: Simplify right side
    20,200.67x = 313,585,966.89
  5. Step 5: Solve for x
    x = 313,585,966.89/20,200.67
  6. Step 6: Final answer
    x = 15,523.54

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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.