Home / 13,440.26-18,544.53-8,133.95

Finding the Fourth Proportional to 13,440.26, 18,544.53 and 8,133.95

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Solution

The fourth proportional to 13,440.26, 18,544.53 and 8,133.95 is: 11,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.26 : 18,544.53 = 8,133.95 : x
  2. Step 2: Convert to fraction form
    13,440.26/18,544.53 = 8,133.95/x
  3. Step 3: Cross multiply
    13,440.26x = 18,544.53 × 8,133.95
  4. Step 4: Simplify right side
    13,440.26x = 150,840,279.79
  5. Step 5: Solve for x
    x = 150,840,279.79/13,440.26
  6. Step 6: Final answer
    x = 11,223.02

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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.