Home / 10,179.80-15,269.16-3,253.76

Finding the Fourth Proportional to 10,179.80, 15,269.16 and 3,253.76

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Solution

The fourth proportional to 10,179.80, 15,269.16 and 3,253.76 is: 4,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.80 : 15,269.16 = 3,253.76 : x
  2. Step 2: Convert to fraction form
    10,179.80/15,269.16 = 3,253.76/x
  3. Step 3: Cross multiply
    10,179.80x = 15,269.16 × 3,253.76
  4. Step 4: Simplify right side
    10,179.80x = 49,682,182.04
  5. Step 5: Solve for x
    x = 49,682,182.04/10,179.80
  6. Step 6: Final answer
    x = 4,880.47

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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.