Home / 13,401.55-20,102.46-5,079.33

Finding the Fourth Proportional to 13,401.55, 20,102.46 and 5,079.33

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Solution

The fourth proportional to 13,401.55, 20,102.46 and 5,079.33 is: 7,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.55 : 20,102.46 = 5,079.33 : x
  2. Step 2: Convert to fraction form
    13,401.55/20,102.46 = 5,079.33/x
  3. Step 3: Cross multiply
    13,401.55x = 20,102.46 × 5,079.33
  4. Step 4: Simplify right side
    13,401.55x = 102,107,028.15
  5. Step 5: Solve for x
    x = 102,107,028.15/13,401.55
  6. Step 6: Final answer
    x = 7,619.05

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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.