Home / 13,919.22-20,841.46-10,887.19

Finding the Fourth Proportional to 13,919.22, 20,841.46 and 10,887.19

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Solution

The fourth proportional to 13,919.22, 20,841.46 and 10,887.19 is: 16,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.22 : 20,841.46 = 10,887.19 : x
  2. Step 2: Convert to fraction form
    13,919.22/20,841.46 = 10,887.19/x
  3. Step 3: Cross multiply
    13,919.22x = 20,841.46 × 10,887.19
  4. Step 4: Simplify right side
    13,919.22x = 226,904,934.90
  5. Step 5: Solve for x
    x = 226,904,934.90/13,919.22
  6. Step 6: Final answer
    x = 16,301.56

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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.