Home / 18,822.05-25,985.69-11,758.04

Finding the Fourth Proportional to 18,822.05, 25,985.69 and 11,758.04

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Solution

The fourth proportional to 18,822.05, 25,985.69 and 11,758.04 is: 16,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.05 : 25,985.69 = 11,758.04 : x
  2. Step 2: Convert to fraction form
    18,822.05/25,985.69 = 11,758.04/x
  3. Step 3: Cross multiply
    18,822.05x = 25,985.69 × 11,758.04
  4. Step 4: Simplify right side
    18,822.05x = 305,540,782.45
  5. Step 5: Solve for x
    x = 305,540,782.45/18,822.05
  6. Step 6: Final answer
    x = 16,233.13

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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.