Home / 20,761.03-28,649.46-11,329.39

Finding the Fourth Proportional to 20,761.03, 28,649.46 and 11,329.39

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Solution

The fourth proportional to 20,761.03, 28,649.46 and 11,329.39 is: 15,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761.03 : 28,649.46 = 11,329.39 : x
  2. Step 2: Convert to fraction form
    20,761.03/28,649.46 = 11,329.39/x
  3. Step 3: Cross multiply
    20,761.03x = 28,649.46 × 11,329.39
  4. Step 4: Simplify right side
    20,761.03x = 324,580,905.63
  5. Step 5: Solve for x
    x = 324,580,905.63/20,761.03
  6. Step 6: Final answer
    x = 15,634.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.