Home / 10,282.19-15,418.64-3,260.88

Finding the Fourth Proportional to 10,282.19, 15,418.64 and 3,260.88

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Solution

The fourth proportional to 10,282.19, 15,418.64 and 3,260.88 is: 4,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.19 : 15,418.64 = 3,260.88 : x
  2. Step 2: Convert to fraction form
    10,282.19/15,418.64 = 3,260.88/x
  3. Step 3: Cross multiply
    10,282.19x = 15,418.64 × 3,260.88
  4. Step 4: Simplify right side
    10,282.19x = 50,278,342.96
  5. Step 5: Solve for x
    x = 50,278,342.96/10,282.19
  6. Step 6: Final answer
    x = 4,889.85

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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.