Home / 13,424.52-20,119.77-7,584.42

Finding the Fourth Proportional to 13,424.52, 20,119.77 and 7,584.42

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Solution

The fourth proportional to 13,424.52, 20,119.77 and 7,584.42 is: 11,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.52 : 20,119.77 = 7,584.42 : x
  2. Step 2: Convert to fraction form
    13,424.52/20,119.77 = 7,584.42/x
  3. Step 3: Cross multiply
    13,424.52x = 20,119.77 × 7,584.42
  4. Step 4: Simplify right side
    13,424.52x = 152,596,785.98
  5. Step 5: Solve for x
    x = 152,596,785.98/13,424.52
  6. Step 6: Final answer
    x = 11,367.02

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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.