Home / 13,002.12-19,449.66-10,813.80

Finding the Fourth Proportional to 13,002.12, 19,449.66 and 10,813.80

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Solution

The fourth proportional to 13,002.12, 19,449.66 and 10,813.80 is: 16,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.12 : 19,449.66 = 10,813.80 : x
  2. Step 2: Convert to fraction form
    13,002.12/19,449.66 = 10,813.80/x
  3. Step 3: Cross multiply
    13,002.12x = 19,449.66 × 10,813.80
  4. Step 4: Simplify right side
    13,002.12x = 210,324,733.31
  5. Step 5: Solve for x
    x = 210,324,733.31/13,002.12
  6. Step 6: Final answer
    x = 16,176.19

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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.