Home / 13,329.18-19,993.67-5,429.84

Finding the Fourth Proportional to 13,329.18, 19,993.67 and 5,429.84

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Solution

The fourth proportional to 13,329.18, 19,993.67 and 5,429.84 is: 8,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.18 : 19,993.67 = 5,429.84 : x
  2. Step 2: Convert to fraction form
    13,329.18/19,993.67 = 5,429.84/x
  3. Step 3: Cross multiply
    13,329.18x = 19,993.67 × 5,429.84
  4. Step 4: Simplify right side
    13,329.18x = 108,562,302.00
  5. Step 5: Solve for x
    x = 108,562,302.00/13,329.18
  6. Step 6: Final answer
    x = 8,144.71

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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.