Home / 18,928-26,120.80-10,546.24

Finding the Fourth Proportional to 18,928, 26,120.80 and 10,546.24

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Solution

The fourth proportional to 18,928, 26,120.80 and 10,546.24 is: 14,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928 : 26,120.80 = 10,546.24 : x
  2. Step 2: Convert to fraction form
    18,928/26,120.80 = 10,546.24/x
  3. Step 3: Cross multiply
    18,928x = 26,120.80 × 10,546.24
  4. Step 4: Simplify right side
    18,928x = 275,476,225.79
  5. Step 5: Solve for x
    x = 275,476,225.79/18,928
  6. Step 6: Final answer
    x = 14,553.90

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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.