Home / 11,855.16-17,765.82-8,710.56

Finding the Fourth Proportional to 11,855.16, 17,765.82 and 8,710.56

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Solution

The fourth proportional to 11,855.16, 17,765.82 and 8,710.56 is: 13,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.16 : 17,765.82 = 8,710.56 : x
  2. Step 2: Convert to fraction form
    11,855.16/17,765.82 = 8,710.56/x
  3. Step 3: Cross multiply
    11,855.16x = 17,765.82 × 8,710.56
  4. Step 4: Simplify right side
    11,855.16x = 154,750,241.06
  5. Step 5: Solve for x
    x = 154,750,241.06/11,855.16
  6. Step 6: Final answer
    x = 13,053.41

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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.