Home / 20,544.52-28,351.41-11,113.06

Finding the Fourth Proportional to 20,544.52, 28,351.41 and 11,113.06

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Solution

The fourth proportional to 20,544.52, 28,351.41 and 11,113.06 is: 15,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.52 : 28,351.41 = 11,113.06 : x
  2. Step 2: Convert to fraction form
    20,544.52/28,351.41 = 11,113.06/x
  3. Step 3: Cross multiply
    20,544.52x = 28,351.41 × 11,113.06
  4. Step 4: Simplify right side
    20,544.52x = 315,070,920.41
  5. Step 5: Solve for x
    x = 315,070,920.41/20,544.52
  6. Step 6: Final answer
    x = 15,336.01

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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.