Home / 20,536.74-30,810.24-11,174.22

Finding the Fourth Proportional to 20,536.74, 30,810.24 and 11,174.22

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Solution

The fourth proportional to 20,536.74, 30,810.24 and 11,174.22 is: 16,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.74 : 30,810.24 = 11,174.22 : x
  2. Step 2: Convert to fraction form
    20,536.74/30,810.24 = 11,174.22/x
  3. Step 3: Cross multiply
    20,536.74x = 30,810.24 × 11,174.22
  4. Step 4: Simplify right side
    20,536.74x = 344,280,400.01
  5. Step 5: Solve for x
    x = 344,280,400.01/20,536.74
  6. Step 6: Final answer
    x = 16,764.12

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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.