Home / 13,040.79-19,514.43-11,291.83

Finding the Fourth Proportional to 13,040.79, 19,514.43 and 11,291.83

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Solution

The fourth proportional to 13,040.79, 19,514.43 and 11,291.83 is: 16,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.79 : 19,514.43 = 11,291.83 : x
  2. Step 2: Convert to fraction form
    13,040.79/19,514.43 = 11,291.83/x
  3. Step 3: Cross multiply
    13,040.79x = 19,514.43 × 11,291.83
  4. Step 4: Simplify right side
    13,040.79x = 220,353,626.11
  5. Step 5: Solve for x
    x = 220,353,626.11/13,040.79
  6. Step 6: Final answer
    x = 16,897.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.