Home / 13,786.60-20,679.89-5,995.41

Finding the Fourth Proportional to 13,786.60, 20,679.89 and 5,995.41

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Solution

The fourth proportional to 13,786.60, 20,679.89 and 5,995.41 is: 8,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.60 : 20,679.89 = 5,995.41 : x
  2. Step 2: Convert to fraction form
    13,786.60/20,679.89 = 5,995.41/x
  3. Step 3: Cross multiply
    13,786.60x = 20,679.89 × 5,995.41
  4. Step 4: Simplify right side
    13,786.60x = 123,984,434.29
  5. Step 5: Solve for x
    x = 123,984,434.29/13,786.60
  6. Step 6: Final answer
    x = 8,993.11

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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.