Home / 9,219.64-13,831.53-3,672.86

Finding the Fourth Proportional to 9,219.64, 13,831.53 and 3,672.86

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Solution

The fourth proportional to 9,219.64, 13,831.53 and 3,672.86 is: 5,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.64 : 13,831.53 = 3,672.86 : x
  2. Step 2: Convert to fraction form
    9,219.64/13,831.53 = 3,672.86/x
  3. Step 3: Cross multiply
    9,219.64x = 13,831.53 × 3,672.86
  4. Step 4: Simplify right side
    9,219.64x = 50,801,299.14
  5. Step 5: Solve for x
    x = 50,801,299.14/9,219.64
  6. Step 6: Final answer
    x = 5,510.12

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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.