Home / 12,604.82-18,906.75-5,203.76

Finding the Fourth Proportional to 12,604.82, 18,906.75 and 5,203.76

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Solution

The fourth proportional to 12,604.82, 18,906.75 and 5,203.76 is: 7,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.82 : 18,906.75 = 5,203.76 : x
  2. Step 2: Convert to fraction form
    12,604.82/18,906.75 = 5,203.76/x
  3. Step 3: Cross multiply
    12,604.82x = 18,906.75 × 5,203.76
  4. Step 4: Simplify right side
    12,604.82x = 98,386,094.85
  5. Step 5: Solve for x
    x = 98,386,094.85/12,604.82
  6. Step 6: Final answer
    x = 7,805.44

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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.