Home / 13,383.05-20,079.23-5,988.29

Finding the Fourth Proportional to 13,383.05, 20,079.23 and 5,988.29

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Solution

The fourth proportional to 13,383.05, 20,079.23 and 5,988.29 is: 8,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.05 : 20,079.23 = 5,988.29 : x
  2. Step 2: Convert to fraction form
    13,383.05/20,079.23 = 5,988.29/x
  3. Step 3: Cross multiply
    13,383.05x = 20,079.23 × 5,988.29
  4. Step 4: Simplify right side
    13,383.05x = 120,240,121.88
  5. Step 5: Solve for x
    x = 120,240,121.88/13,383.05
  6. Step 6: Final answer
    x = 8,984.51

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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.