Home / 11,765.16-16,231.93-6,725.81

Finding the Fourth Proportional to 11,765.16, 16,231.93 and 6,725.81

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Solution

The fourth proportional to 11,765.16, 16,231.93 and 6,725.81 is: 9,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.16 : 16,231.93 = 6,725.81 : x
  2. Step 2: Convert to fraction form
    11,765.16/16,231.93 = 6,725.81/x
  3. Step 3: Cross multiply
    11,765.16x = 16,231.93 × 6,725.81
  4. Step 4: Simplify right side
    11,765.16x = 109,172,900.88
  5. Step 5: Solve for x
    x = 109,172,900.88/11,765.16
  6. Step 6: Final answer
    x = 9,279.34

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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.