Home / 11,797.13-16,279.20-7,016.81

Finding the Fourth Proportional to 11,797.13, 16,279.20 and 7,016.81

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Solution

The fourth proportional to 11,797.13, 16,279.20 and 7,016.81 is: 9,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.13 : 16,279.20 = 7,016.81 : x
  2. Step 2: Convert to fraction form
    11,797.13/16,279.20 = 7,016.81/x
  3. Step 3: Cross multiply
    11,797.13x = 16,279.20 × 7,016.81
  4. Step 4: Simplify right side
    11,797.13x = 114,228,053.35
  5. Step 5: Solve for x
    x = 114,228,053.35/11,797.13
  6. Step 6: Final answer
    x = 9,682.70

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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.