Home / 13,747.42-20,620.95-3,359.26

Finding the Fourth Proportional to 13,747.42, 20,620.95 and 3,359.26

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Solution

The fourth proportional to 13,747.42, 20,620.95 and 3,359.26 is: 5,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.42 : 20,620.95 = 3,359.26 : x
  2. Step 2: Convert to fraction form
    13,747.42/20,620.95 = 3,359.26/x
  3. Step 3: Cross multiply
    13,747.42x = 20,620.95 × 3,359.26
  4. Step 4: Simplify right side
    13,747.42x = 69,271,132.50
  5. Step 5: Solve for x
    x = 69,271,132.50/13,747.42
  6. Step 6: Final answer
    x = 5,038.85

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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.