Home / 13,329.17-19,993.66-5,429.83

Finding the Fourth Proportional to 13,329.17, 19,993.66 and 5,429.83

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Solution

The fourth proportional to 13,329.17, 19,993.66 and 5,429.83 is: 8,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.17 : 19,993.66 = 5,429.83 : x
  2. Step 2: Convert to fraction form
    13,329.17/19,993.66 = 5,429.83/x
  3. Step 3: Cross multiply
    13,329.17x = 19,993.66 × 5,429.83
  4. Step 4: Simplify right side
    13,329.17x = 108,562,147.73
  5. Step 5: Solve for x
    x = 108,562,147.73/13,329.17
  6. Step 6: Final answer
    x = 8,144.70

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1.5x scale

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.