Home / 13,065.75-19,601.87-3,831.75

Finding the Fourth Proportional to 13,065.75, 19,601.87 and 3,831.75

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Solution

The fourth proportional to 13,065.75, 19,601.87 and 3,831.75 is: 5,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.75 : 19,601.87 = 3,831.75 : x
  2. Step 2: Convert to fraction form
    13,065.75/19,601.87 = 3,831.75/x
  3. Step 3: Cross multiply
    13,065.75x = 19,601.87 × 3,831.75
  4. Step 4: Simplify right side
    13,065.75x = 75,109,446.21
  5. Step 5: Solve for x
    x = 75,109,446.21/13,065.75
  6. Step 6: Final answer
    x = 5,748.58

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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.