Home / 13,375.36-20,067.09-6,360.76

Finding the Fourth Proportional to 13,375.36, 20,067.09 and 6,360.76

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Solution

The fourth proportional to 13,375.36, 20,067.09 and 6,360.76 is: 9,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.36 : 20,067.09 = 6,360.76 : x
  2. Step 2: Convert to fraction form
    13,375.36/20,067.09 = 6,360.76/x
  3. Step 3: Cross multiply
    13,375.36x = 20,067.09 × 6,360.76
  4. Step 4: Simplify right side
    13,375.36x = 127,641,943.39
  5. Step 5: Solve for x
    x = 127,641,943.39/13,375.36
  6. Step 6: Final answer
    x = 9,543.07

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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.