Home / 14,092.67-21,142.96-5,661.79

Finding the Fourth Proportional to 14,092.67, 21,142.96 and 5,661.79

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Solution

The fourth proportional to 14,092.67, 21,142.96 and 5,661.79 is: 8,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.67 : 21,142.96 = 5,661.79 : x
  2. Step 2: Convert to fraction form
    14,092.67/21,142.96 = 5,661.79/x
  3. Step 3: Cross multiply
    14,092.67x = 21,142.96 × 5,661.79
  4. Step 4: Simplify right side
    14,092.67x = 119,706,926.64
  5. Step 5: Solve for x
    x = 119,706,926.64/14,092.67
  6. Step 6: Final answer
    x = 8,494.27

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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.