Home / 13,739.10-20,608.72-5,839.58

Finding the Fourth Proportional to 13,739.10, 20,608.72 and 5,839.58

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Solution

The fourth proportional to 13,739.10, 20,608.72 and 5,839.58 is: 8,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.10 : 20,608.72 = 5,839.58 : x
  2. Step 2: Convert to fraction form
    13,739.10/20,608.72 = 5,839.58/x
  3. Step 3: Cross multiply
    13,739.10x = 20,608.72 × 5,839.58
  4. Step 4: Simplify right side
    13,739.10x = 120,346,269.14
  5. Step 5: Solve for x
    x = 120,346,269.14/13,739.10
  6. Step 6: Final answer
    x = 8,759.40

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1.5x scale

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.