Home / 11,724.47-17,594.91-5,155.27

Finding the Fourth Proportional to 11,724.47, 17,594.91 and 5,155.27

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Solution

The fourth proportional to 11,724.47, 17,594.91 and 5,155.27 is: 7,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.47 : 17,594.91 = 5,155.27 : x
  2. Step 2: Convert to fraction form
    11,724.47/17,594.91 = 5,155.27/x
  3. Step 3: Cross multiply
    11,724.47x = 17,594.91 × 5,155.27
  4. Step 4: Simplify right side
    11,724.47x = 90,706,511.68
  5. Step 5: Solve for x
    x = 90,706,511.68/11,724.47
  6. Step 6: Final answer
    x = 7,736.51

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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.