Home / 11,898.70-16,419.77-6,863.13

Finding the Fourth Proportional to 11,898.70, 16,419.77 and 6,863.13

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Solution

The fourth proportional to 11,898.70, 16,419.77 and 6,863.13 is: 9,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.70 : 16,419.77 = 6,863.13 : x
  2. Step 2: Convert to fraction form
    11,898.70/16,419.77 = 6,863.13/x
  3. Step 3: Cross multiply
    11,898.70x = 16,419.77 × 6,863.13
  4. Step 4: Simplify right side
    11,898.70x = 112,691,016.08
  5. Step 5: Solve for x
    x = 112,691,016.08/11,898.70
  6. Step 6: Final answer
    x = 9,470.87

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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.