Home / 13,033.20-19,549.92-9,919.68

Finding the Fourth Proportional to 13,033.20, 19,549.92 and 9,919.68

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Solution

The fourth proportional to 13,033.20, 19,549.92 and 9,919.68 is: 14,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.20 : 19,549.92 = 9,919.68 : x
  2. Step 2: Convert to fraction form
    13,033.20/19,549.92 = 9,919.68/x
  3. Step 3: Cross multiply
    13,033.20x = 19,549.92 × 9,919.68
  4. Step 4: Simplify right side
    13,033.20x = 193,928,950.43
  5. Step 5: Solve for x
    x = 193,928,950.43/13,033.20
  6. Step 6: Final answer
    x = 14,879.61

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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.