Home / 11,644.12-17,381.64-10,776.79

Finding the Fourth Proportional to 11,644.12, 17,381.64 and 10,776.79

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Solution

The fourth proportional to 11,644.12, 17,381.64 and 10,776.79 is: 16,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.12 : 17,381.64 = 10,776.79 : x
  2. Step 2: Convert to fraction form
    11,644.12/17,381.64 = 10,776.79/x
  3. Step 3: Cross multiply
    11,644.12x = 17,381.64 × 10,776.79
  4. Step 4: Simplify right side
    11,644.12x = 187,318,284.14
  5. Step 5: Solve for x
    x = 187,318,284.14/11,644.12
  6. Step 6: Final answer
    x = 16,086.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.