Home / 10,217.62-15,323.10-3,290.50

Finding the Fourth Proportional to 10,217.62, 15,323.10 and 3,290.50

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Solution

The fourth proportional to 10,217.62, 15,323.10 and 3,290.50 is: 4,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.62 : 15,323.10 = 3,290.50 : x
  2. Step 2: Convert to fraction form
    10,217.62/15,323.10 = 3,290.50/x
  3. Step 3: Cross multiply
    10,217.62x = 15,323.10 × 3,290.50
  4. Step 4: Simplify right side
    10,217.62x = 50,420,660.55
  5. Step 5: Solve for x
    x = 50,420,660.55/10,217.62
  6. Step 6: Final answer
    x = 4,934.68

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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.