Home / 10,258.80-15,388.53-3,238.89

Finding the Fourth Proportional to 10,258.80, 15,388.53 and 3,238.89

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Solution

The fourth proportional to 10,258.80, 15,388.53 and 3,238.89 is: 4,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.80 : 15,388.53 = 3,238.89 : x
  2. Step 2: Convert to fraction form
    10,258.80/15,388.53 = 3,238.89/x
  3. Step 3: Cross multiply
    10,258.80x = 15,388.53 × 3,238.89
  4. Step 4: Simplify right side
    10,258.80x = 49,841,755.93
  5. Step 5: Solve for x
    x = 49,841,755.93/10,258.80
  6. Step 6: Final answer
    x = 4,858.44

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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.