Home / 13,204.54-18,221.97-7,236.08

Finding the Fourth Proportional to 13,204.54, 18,221.97 and 7,236.08

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Solution

The fourth proportional to 13,204.54, 18,221.97 and 7,236.08 is: 9,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.54 : 18,221.97 = 7,236.08 : x
  2. Step 2: Convert to fraction form
    13,204.54/18,221.97 = 7,236.08/x
  3. Step 3: Cross multiply
    13,204.54x = 18,221.97 × 7,236.08
  4. Step 4: Simplify right side
    13,204.54x = 131,855,632.68
  5. Step 5: Solve for x
    x = 131,855,632.68/13,204.54
  6. Step 6: Final answer
    x = 9,985.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.