Home / 13,091.86-18,067.26-7,503.94

Finding the Fourth Proportional to 13,091.86, 18,067.26 and 7,503.94

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Solution

The fourth proportional to 13,091.86, 18,067.26 and 7,503.94 is: 10,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.86 : 18,067.26 = 7,503.94 : x
  2. Step 2: Convert to fraction form
    13,091.86/18,067.26 = 7,503.94/x
  3. Step 3: Cross multiply
    13,091.86x = 18,067.26 × 7,503.94
  4. Step 4: Simplify right side
    13,091.86x = 135,575,635.00
  5. Step 5: Solve for x
    x = 135,575,635.00/13,091.86
  6. Step 6: Final answer
    x = 10,355.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.