Home / 20,544.04-28,350.69-11,112.58

Finding the Fourth Proportional to 20,544.04, 28,350.69 and 11,112.58

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Solution

The fourth proportional to 20,544.04, 28,350.69 and 11,112.58 is: 15,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.04 : 28,350.69 = 11,112.58 : x
  2. Step 2: Convert to fraction form
    20,544.04/28,350.69 = 11,112.58/x
  3. Step 3: Cross multiply
    20,544.04x = 28,350.69 × 11,112.58
  4. Step 4: Simplify right side
    20,544.04x = 315,049,310.68
  5. Step 5: Solve for x
    x = 315,049,310.68/20,544.04
  6. Step 6: Final answer
    x = 15,335.31

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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.