Home / 10,336.20-15,506.04-3,218.76

Finding the Fourth Proportional to 10,336.20, 15,506.04 and 3,218.76

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Solution

The fourth proportional to 10,336.20, 15,506.04 and 3,218.76 is: 4,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.20 : 15,506.04 = 3,218.76 : x
  2. Step 2: Convert to fraction form
    10,336.20/15,506.04 = 3,218.76/x
  3. Step 3: Cross multiply
    10,336.20x = 15,506.04 × 3,218.76
  4. Step 4: Simplify right side
    10,336.20x = 49,910,221.31
  5. Step 5: Solve for x
    x = 49,910,221.31/10,336.20
  6. Step 6: Final answer
    x = 4,828.68

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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.