Home / 18,521.04-25,558.56-10,137

Finding the Fourth Proportional to 18,521.04, 25,558.56 and 10,137

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Solution

The fourth proportional to 18,521.04, 25,558.56 and 10,137 is: 13,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.04 : 25,558.56 = 10,137 : x
  2. Step 2: Convert to fraction form
    18,521.04/25,558.56 = 10,137/x
  3. Step 3: Cross multiply
    18,521.04x = 25,558.56 × 10,137
  4. Step 4: Simplify right side
    18,521.04x = 259,087,122.72
  5. Step 5: Solve for x
    x = 259,087,122.72/18,521.04
  6. Step 6: Final answer
    x = 13,988.80

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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.