Home / 13,378.12-20,067.17-4,612.34

Finding the Fourth Proportional to 13,378.12, 20,067.17 and 4,612.34

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Solution

The fourth proportional to 13,378.12, 20,067.17 and 4,612.34 is: 6,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.12 : 20,067.17 = 4,612.34 : x
  2. Step 2: Convert to fraction form
    13,378.12/20,067.17 = 4,612.34/x
  3. Step 3: Cross multiply
    13,378.12x = 20,067.17 × 4,612.34
  4. Step 4: Simplify right side
    13,378.12x = 92,556,697.66
  5. Step 5: Solve for x
    x = 92,556,697.66/13,378.12
  6. Step 6: Final answer
    x = 6,918.51

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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.