Home / 15,997.20-23,988.60-7,227.60

Finding the Fourth Proportional to 15,997.20, 23,988.60 and 7,227.60

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Solution

The fourth proportional to 15,997.20, 23,988.60 and 7,227.60 is: 10,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.20 : 23,988.60 = 7,227.60 : x
  2. Step 2: Convert to fraction form
    15,997.20/23,988.60 = 7,227.60/x
  3. Step 3: Cross multiply
    15,997.20x = 23,988.60 × 7,227.60
  4. Step 4: Simplify right side
    15,997.20x = 173,380,005.36
  5. Step 5: Solve for x
    x = 173,380,005.36/15,997.20
  6. Step 6: Final answer
    x = 10,838.15

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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.