Home / 13,739.59-20,614.07-5,841.78

Finding the Fourth Proportional to 13,739.59, 20,614.07 and 5,841.78

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Solution

The fourth proportional to 13,739.59, 20,614.07 and 5,841.78 is: 8,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.59 : 20,614.07 = 5,841.78 : x
  2. Step 2: Convert to fraction form
    13,739.59/20,614.07 = 5,841.78/x
  3. Step 3: Cross multiply
    13,739.59x = 20,614.07 × 5,841.78
  4. Step 4: Simplify right side
    13,739.59x = 120,422,861.84
  5. Step 5: Solve for x
    x = 120,422,861.84/13,739.59
  6. Step 6: Final answer
    x = 8,764.66

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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.