Home / 20,221.90-30,332.94-11,046.22

Finding the Fourth Proportional to 20,221.90, 30,332.94 and 11,046.22

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Solution

The fourth proportional to 20,221.90, 30,332.94 and 11,046.22 is: 16,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.90 : 30,332.94 = 11,046.22 : x
  2. Step 2: Convert to fraction form
    20,221.90/30,332.94 = 11,046.22/x
  3. Step 3: Cross multiply
    20,221.90x = 30,332.94 × 11,046.22
  4. Step 4: Simplify right side
    20,221.90x = 335,064,328.49
  5. Step 5: Solve for x
    x = 335,064,328.49/20,221.90
  6. Step 6: Final answer
    x = 16,569.38

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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.