Home / 18,538-25,582.44-10,154.52

Finding the Fourth Proportional to 18,538, 25,582.44 and 10,154.52

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Solution

The fourth proportional to 18,538, 25,582.44 and 10,154.52 is: 14,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538 : 25,582.44 = 10,154.52 : x
  2. Step 2: Convert to fraction form
    18,538/25,582.44 = 10,154.52/x
  3. Step 3: Cross multiply
    18,538x = 25,582.44 × 10,154.52
  4. Step 4: Simplify right side
    18,538x = 259,777,398.63
  5. Step 5: Solve for x
    x = 259,777,398.63/18,538
  6. Step 6: Final answer
    x = 14,013.24

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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.