Home / 10,619.02-15,928.56-3,223.54

Finding the Fourth Proportional to 10,619.02, 15,928.56 and 3,223.54

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Solution

The fourth proportional to 10,619.02, 15,928.56 and 3,223.54 is: 4,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.02 : 15,928.56 = 3,223.54 : x
  2. Step 2: Convert to fraction form
    10,619.02/15,928.56 = 3,223.54/x
  3. Step 3: Cross multiply
    10,619.02x = 15,928.56 × 3,223.54
  4. Step 4: Simplify right side
    10,619.02x = 51,346,350.30
  5. Step 5: Solve for x
    x = 51,346,350.30/10,619.02
  6. Step 6: Final answer
    x = 4,835.32

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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.