Home / 8,748.99-13,067.72-7,914.77

Finding the Fourth Proportional to 8,748.99, 13,067.72 and 7,914.77

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Solution

The fourth proportional to 8,748.99, 13,067.72 and 7,914.77 is: 11,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.99 : 13,067.72 = 7,914.77 : x
  2. Step 2: Convert to fraction form
    8,748.99/13,067.72 = 7,914.77/x
  3. Step 3: Cross multiply
    8,748.99x = 13,067.72 × 7,914.77
  4. Step 4: Simplify right side
    8,748.99x = 103,428,021.00
  5. Step 5: Solve for x
    x = 103,428,021.00/8,748.99
  6. Step 6: Final answer
    x = 11,821.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.