Home / 11,989.73-17,984.73-6,723.92

Finding the Fourth Proportional to 11,989.73, 17,984.73 and 6,723.92

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Solution

The fourth proportional to 11,989.73, 17,984.73 and 6,723.92 is: 10,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.73 : 17,984.73 = 6,723.92 : x
  2. Step 2: Convert to fraction form
    11,989.73/17,984.73 = 6,723.92/x
  3. Step 3: Cross multiply
    11,989.73x = 17,984.73 × 6,723.92
  4. Step 4: Simplify right side
    11,989.73x = 120,927,885.74
  5. Step 5: Solve for x
    x = 120,927,885.74/11,989.73
  6. Step 6: Final answer
    x = 10,085.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.