Home / 13,824.02-20,736.30-3,435.50

Finding the Fourth Proportional to 13,824.02, 20,736.30 and 3,435.50

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Solution

The fourth proportional to 13,824.02, 20,736.30 and 3,435.50 is: 5,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.02 : 20,736.30 = 3,435.50 : x
  2. Step 2: Convert to fraction form
    13,824.02/20,736.30 = 3,435.50/x
  3. Step 3: Cross multiply
    13,824.02x = 20,736.30 × 3,435.50
  4. Step 4: Simplify right side
    13,824.02x = 71,239,558.65
  5. Step 5: Solve for x
    x = 71,239,558.65/13,824.02
  6. Step 6: Final answer
    x = 5,153.32

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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.