Home / 12,198.13-16,837.37-7,162.22

Finding the Fourth Proportional to 12,198.13, 16,837.37 and 7,162.22

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Solution

The fourth proportional to 12,198.13, 16,837.37 and 7,162.22 is: 9,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.13 : 16,837.37 = 7,162.22 : x
  2. Step 2: Convert to fraction form
    12,198.13/16,837.37 = 7,162.22/x
  3. Step 3: Cross multiply
    12,198.13x = 16,837.37 × 7,162.22
  4. Step 4: Simplify right side
    12,198.13x = 120,592,981.30
  5. Step 5: Solve for x
    x = 120,592,981.30/12,198.13
  6. Step 6: Final answer
    x = 9,886.19

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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.