Home / 11,727.99-16,167.95-7,249.21

Finding the Fourth Proportional to 11,727.99, 16,167.95 and 7,249.21

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Solution

The fourth proportional to 11,727.99, 16,167.95 and 7,249.21 is: 9,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.99 : 16,167.95 = 7,249.21 : x
  2. Step 2: Convert to fraction form
    11,727.99/16,167.95 = 7,249.21/x
  3. Step 3: Cross multiply
    11,727.99x = 16,167.95 × 7,249.21
  4. Step 4: Simplify right side
    11,727.99x = 117,204,864.82
  5. Step 5: Solve for x
    x = 117,204,864.82/11,727.99
  6. Step 6: Final answer
    x = 9,993.60

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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.