Home / 10,172.28-15,260.82-3,246.78

Finding the Fourth Proportional to 10,172.28, 15,260.82 and 3,246.78

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Solution

The fourth proportional to 10,172.28, 15,260.82 and 3,246.78 is: 4,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.28 : 15,260.82 = 3,246.78 : x
  2. Step 2: Convert to fraction form
    10,172.28/15,260.82 = 3,246.78/x
  3. Step 3: Cross multiply
    10,172.28x = 15,260.82 × 3,246.78
  4. Step 4: Simplify right side
    10,172.28x = 49,548,525.16
  5. Step 5: Solve for x
    x = 49,548,525.16/10,172.28
  6. Step 6: Final answer
    x = 4,870.94

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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.