Home / 10,415.52-15,621.60-3,844.80

Finding the Fourth Proportional to 10,415.52, 15,621.60 and 3,844.80

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Solution

The fourth proportional to 10,415.52, 15,621.60 and 3,844.80 is: 5,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.52 : 15,621.60 = 3,844.80 : x
  2. Step 2: Convert to fraction form
    10,415.52/15,621.60 = 3,844.80/x
  3. Step 3: Cross multiply
    10,415.52x = 15,621.60 × 3,844.80
  4. Step 4: Simplify right side
    10,415.52x = 60,061,927.68
  5. Step 5: Solve for x
    x = 60,061,927.68/10,415.52
  6. Step 6: Final answer
    x = 5,766.58

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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.