Home / 10,217.70-15,323.28-3,290.58

Finding the Fourth Proportional to 10,217.70, 15,323.28 and 3,290.58

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Solution

The fourth proportional to 10,217.70, 15,323.28 and 3,290.58 is: 4,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.70 : 15,323.28 = 3,290.58 : x
  2. Step 2: Convert to fraction form
    10,217.70/15,323.28 = 3,290.58/x
  3. Step 3: Cross multiply
    10,217.70x = 15,323.28 × 3,290.58
  4. Step 4: Simplify right side
    10,217.70x = 50,422,478.70
  5. Step 5: Solve for x
    x = 50,422,478.70/10,217.70
  6. Step 6: Final answer
    x = 4,934.82

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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.