Home / 11,831.10-17,743.91-3,509.11

Finding the Fourth Proportional to 11,831.10, 17,743.91 and 3,509.11

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Solution

The fourth proportional to 11,831.10, 17,743.91 and 3,509.11 is: 5,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.10 : 17,743.91 = 3,509.11 : x
  2. Step 2: Convert to fraction form
    11,831.10/17,743.91 = 3,509.11/x
  3. Step 3: Cross multiply
    11,831.10x = 17,743.91 × 3,509.11
  4. Step 4: Simplify right side
    11,831.10x = 62,265,296.43
  5. Step 5: Solve for x
    x = 62,265,296.43/11,831.10
  6. Step 6: Final answer
    x = 5,262.85

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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.