Home / 12,198.06-16,833.90-7,162.50

Finding the Fourth Proportional to 12,198.06, 16,833.90 and 7,162.50

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Solution

The fourth proportional to 12,198.06, 16,833.90 and 7,162.50 is: 9,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.06 : 16,833.90 = 7,162.50 : x
  2. Step 2: Convert to fraction form
    12,198.06/16,833.90 = 7,162.50/x
  3. Step 3: Cross multiply
    12,198.06x = 16,833.90 × 7,162.50
  4. Step 4: Simplify right side
    12,198.06x = 120,572,808.75
  5. Step 5: Solve for x
    x = 120,572,808.75/12,198.06
  6. Step 6: Final answer
    x = 9,884.59

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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.