Home / 12,257.97-16,911.09-7,214.19

Finding the Fourth Proportional to 12,257.97, 16,911.09 and 7,214.19

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Solution

The fourth proportional to 12,257.97, 16,911.09 and 7,214.19 is: 9,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.97 : 16,911.09 = 7,214.19 : x
  2. Step 2: Convert to fraction form
    12,257.97/16,911.09 = 7,214.19/x
  3. Step 3: Cross multiply
    12,257.97x = 16,911.09 × 7,214.19
  4. Step 4: Simplify right side
    12,257.97x = 121,999,816.37
  5. Step 5: Solve for x
    x = 121,999,816.37/12,257.97
  6. Step 6: Final answer
    x = 9,952.69

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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.