Home / 12,115.22-16,717.19-6,809.02

Finding the Fourth Proportional to 12,115.22, 16,717.19 and 6,809.02

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Solution

The fourth proportional to 12,115.22, 16,717.19 and 6,809.02 is: 9,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.22 : 16,717.19 = 6,809.02 : x
  2. Step 2: Convert to fraction form
    12,115.22/16,717.19 = 6,809.02/x
  3. Step 3: Cross multiply
    12,115.22x = 16,717.19 × 6,809.02
  4. Step 4: Simplify right side
    12,115.22x = 113,827,605.22
  5. Step 5: Solve for x
    x = 113,827,605.22/12,115.22
  6. Step 6: Final answer
    x = 9,395.43

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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.