Home / 11,515.32-17,273.52-3,724.74

Finding the Fourth Proportional to 11,515.32, 17,273.52 and 3,724.74

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Solution

The fourth proportional to 11,515.32, 17,273.52 and 3,724.74 is: 5,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.32 : 17,273.52 = 3,724.74 : x
  2. Step 2: Convert to fraction form
    11,515.32/17,273.52 = 3,724.74/x
  3. Step 3: Cross multiply
    11,515.32x = 17,273.52 × 3,724.74
  4. Step 4: Simplify right side
    11,515.32x = 64,339,370.88
  5. Step 5: Solve for x
    x = 64,339,370.88/11,515.32
  6. Step 6: Final answer
    x = 5,587.28

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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.