Home / 11,511.54-17,272.56-5,585.23

Finding the Fourth Proportional to 11,511.54, 17,272.56 and 5,585.23

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Solution

The fourth proportional to 11,511.54, 17,272.56 and 5,585.23 is: 8,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.54 : 17,272.56 = 5,585.23 : x
  2. Step 2: Convert to fraction form
    11,511.54/17,272.56 = 5,585.23/x
  3. Step 3: Cross multiply
    11,511.54x = 17,272.56 × 5,585.23
  4. Step 4: Simplify right side
    11,511.54x = 96,471,220.93
  5. Step 5: Solve for x
    x = 96,471,220.93/11,511.54
  6. Step 6: Final answer
    x = 8,380.39

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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.