Home / 10,258.39-15,387.57-3,238.94

Finding the Fourth Proportional to 10,258.39, 15,387.57 and 3,238.94

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Solution

The fourth proportional to 10,258.39, 15,387.57 and 3,238.94 is: 4,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.39 : 15,387.57 = 3,238.94 : x
  2. Step 2: Convert to fraction form
    10,258.39/15,387.57 = 3,238.94/x
  3. Step 3: Cross multiply
    10,258.39x = 15,387.57 × 3,238.94
  4. Step 4: Simplify right side
    10,258.39x = 49,839,454.44
  5. Step 5: Solve for x
    x = 49,839,454.44/10,258.39
  6. Step 6: Final answer
    x = 4,858.41

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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.