Home / 11,979.70-17,952.45-8,834.92

Finding the Fourth Proportional to 11,979.70, 17,952.45 and 8,834.92

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Solution

The fourth proportional to 11,979.70, 17,952.45 and 8,834.92 is: 13,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.70 : 17,952.45 = 8,834.92 : x
  2. Step 2: Convert to fraction form
    11,979.70/17,952.45 = 8,834.92/x
  3. Step 3: Cross multiply
    11,979.70x = 17,952.45 × 8,834.92
  4. Step 4: Simplify right side
    11,979.70x = 158,608,459.55
  5. Step 5: Solve for x
    x = 158,608,459.55/11,979.70
  6. Step 6: Final answer
    x = 13,239.77

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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.