Home / 13,539.01-20,310.43-4,177.28

Finding the Fourth Proportional to 13,539.01, 20,310.43 and 4,177.28

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Solution

The fourth proportional to 13,539.01, 20,310.43 and 4,177.28 is: 6,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.01 : 20,310.43 = 4,177.28 : x
  2. Step 2: Convert to fraction form
    13,539.01/20,310.43 = 4,177.28/x
  3. Step 3: Cross multiply
    13,539.01x = 20,310.43 × 4,177.28
  4. Step 4: Simplify right side
    13,539.01x = 84,842,297.03
  5. Step 5: Solve for x
    x = 84,842,297.03/13,539.01
  6. Step 6: Final answer
    x = 6,266.51

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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.