Home / 12,724.44-19,085.94-5,325

Finding the Fourth Proportional to 12,724.44, 19,085.94 and 5,325

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Solution

The fourth proportional to 12,724.44, 19,085.94 and 5,325 is: 7,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.44 : 19,085.94 = 5,325 : x
  2. Step 2: Convert to fraction form
    12,724.44/19,085.94 = 5,325/x
  3. Step 3: Cross multiply
    12,724.44x = 19,085.94 × 5,325
  4. Step 4: Simplify right side
    12,724.44x = 101,632,630.50
  5. Step 5: Solve for x
    x = 101,632,630.50/12,724.44
  6. Step 6: Final answer
    x = 7,987.20

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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.