Home / 12,208.89-18,297.17-6,285.54

Finding the Fourth Proportional to 12,208.89, 18,297.17 and 6,285.54

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Solution

The fourth proportional to 12,208.89, 18,297.17 and 6,285.54 is: 9,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.89 : 18,297.17 = 6,285.54 : x
  2. Step 2: Convert to fraction form
    12,208.89/18,297.17 = 6,285.54/x
  3. Step 3: Cross multiply
    12,208.89x = 18,297.17 × 6,285.54
  4. Step 4: Simplify right side
    12,208.89x = 115,007,585.54
  5. Step 5: Solve for x
    x = 115,007,585.54/12,208.89
  6. Step 6: Final answer
    x = 9,419.98

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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.