Home / 10,196.44-15,285.60-3,621.76

Finding the Fourth Proportional to 10,196.44, 15,285.60 and 3,621.76

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Solution

The fourth proportional to 10,196.44, 15,285.60 and 3,621.76 is: 5,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.44 : 15,285.60 = 3,621.76 : x
  2. Step 2: Convert to fraction form
    10,196.44/15,285.60 = 3,621.76/x
  3. Step 3: Cross multiply
    10,196.44x = 15,285.60 × 3,621.76
  4. Step 4: Simplify right side
    10,196.44x = 55,360,774.66
  5. Step 5: Solve for x
    x = 55,360,774.66/10,196.44
  6. Step 6: Final answer
    x = 5,429.42

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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.