Home / 11,717.98-16,170.83-6,412.84

Finding the Fourth Proportional to 11,717.98, 16,170.83 and 6,412.84

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Solution

The fourth proportional to 11,717.98, 16,170.83 and 6,412.84 is: 8,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.98 : 16,170.83 = 6,412.84 : x
  2. Step 2: Convert to fraction form
    11,717.98/16,170.83 = 6,412.84/x
  3. Step 3: Cross multiply
    11,717.98x = 16,170.83 × 6,412.84
  4. Step 4: Simplify right side
    11,717.98x = 103,700,945.46
  5. Step 5: Solve for x
    x = 103,700,945.46/11,717.98
  6. Step 6: Final answer
    x = 8,849.73

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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.