Home / 13,825.02-20,737.44-3,436.74

Finding the Fourth Proportional to 13,825.02, 20,737.44 and 3,436.74

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Solution

The fourth proportional to 13,825.02, 20,737.44 and 3,436.74 is: 5,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.02 : 20,737.44 = 3,436.74 : x
  2. Step 2: Convert to fraction form
    13,825.02/20,737.44 = 3,436.74/x
  3. Step 3: Cross multiply
    13,825.02x = 20,737.44 × 3,436.74
  4. Step 4: Simplify right side
    13,825.02x = 71,269,189.55
  5. Step 5: Solve for x
    x = 71,269,189.55/13,825.02
  6. Step 6: Final answer
    x = 5,155.09

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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.