Home / 12,195.36-18,282.24-5,266.08

Finding the Fourth Proportional to 12,195.36, 18,282.24 and 5,266.08

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Solution

The fourth proportional to 12,195.36, 18,282.24 and 5,266.08 is: 7,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.36 : 18,282.24 = 5,266.08 : x
  2. Step 2: Convert to fraction form
    12,195.36/18,282.24 = 5,266.08/x
  3. Step 3: Cross multiply
    12,195.36x = 18,282.24 × 5,266.08
  4. Step 4: Simplify right side
    12,195.36x = 96,275,738.42
  5. Step 5: Solve for x
    x = 96,275,738.42/12,195.36
  6. Step 6: Final answer
    x = 7,894.46

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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.