Home / 13,942.26-20,911.23-4,080.51

Finding the Fourth Proportional to 13,942.26, 20,911.23 and 4,080.51

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Solution

The fourth proportional to 13,942.26, 20,911.23 and 4,080.51 is: 6,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.26 : 20,911.23 = 4,080.51 : x
  2. Step 2: Convert to fraction form
    13,942.26/20,911.23 = 4,080.51/x
  3. Step 3: Cross multiply
    13,942.26x = 20,911.23 × 4,080.51
  4. Step 4: Simplify right side
    13,942.26x = 85,328,483.13
  5. Step 5: Solve for x
    x = 85,328,483.13/13,942.26
  6. Step 6: Final answer
    x = 6,120.13

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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.