Home / 10,206.93-15,306.04-3,880.73

Finding the Fourth Proportional to 10,206.93, 15,306.04 and 3,880.73

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Solution

The fourth proportional to 10,206.93, 15,306.04 and 3,880.73 is: 5,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.93 : 15,306.04 = 3,880.73 : x
  2. Step 2: Convert to fraction form
    10,206.93/15,306.04 = 3,880.73/x
  3. Step 3: Cross multiply
    10,206.93x = 15,306.04 × 3,880.73
  4. Step 4: Simplify right side
    10,206.93x = 59,398,608.61
  5. Step 5: Solve for x
    x = 59,398,608.61/10,206.93
  6. Step 6: Final answer
    x = 5,819.44

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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.