Home / 13,659.88-20,494.90-5,764.44

Finding the Fourth Proportional to 13,659.88, 20,494.90 and 5,764.44

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Solution

The fourth proportional to 13,659.88, 20,494.90 and 5,764.44 is: 8,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.88 : 20,494.90 = 5,764.44 : x
  2. Step 2: Convert to fraction form
    13,659.88/20,494.90 = 5,764.44/x
  3. Step 3: Cross multiply
    13,659.88x = 20,494.90 × 5,764.44
  4. Step 4: Simplify right side
    13,659.88x = 118,141,621.36
  5. Step 5: Solve for x
    x = 118,141,621.36/13,659.88
  6. Step 6: Final answer
    x = 8,648.80

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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.