Home / 18,839.16-26,002.44-11,289.96

Finding the Fourth Proportional to 18,839.16, 26,002.44 and 11,289.96

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Solution

The fourth proportional to 18,839.16, 26,002.44 and 11,289.96 is: 15,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.16 : 26,002.44 = 11,289.96 : x
  2. Step 2: Convert to fraction form
    18,839.16/26,002.44 = 11,289.96/x
  3. Step 3: Cross multiply
    18,839.16x = 26,002.44 × 11,289.96
  4. Step 4: Simplify right side
    18,839.16x = 293,566,507.50
  5. Step 5: Solve for x
    x = 293,566,507.50/18,839.16
  6. Step 6: Final answer
    x = 15,582.78

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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.