Home / 13,131.96-19,689.24-6,884.44

Finding the Fourth Proportional to 13,131.96, 19,689.24 and 6,884.44

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Solution

The fourth proportional to 13,131.96, 19,689.24 and 6,884.44 is: 10,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.96 : 19,689.24 = 6,884.44 : x
  2. Step 2: Convert to fraction form
    13,131.96/19,689.24 = 6,884.44/x
  3. Step 3: Cross multiply
    13,131.96x = 19,689.24 × 6,884.44
  4. Step 4: Simplify right side
    13,131.96x = 135,549,391.43
  5. Step 5: Solve for x
    x = 135,549,391.43/13,131.96
  6. Step 6: Final answer
    x = 10,322.10

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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.