Home / 19,857.96-29,791.50-5,817.66

Finding the Fourth Proportional to 19,857.96, 29,791.50 and 5,817.66

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Solution

The fourth proportional to 19,857.96, 29,791.50 and 5,817.66 is: 8,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.96 : 29,791.50 = 5,817.66 : x
  2. Step 2: Convert to fraction form
    19,857.96/29,791.50 = 5,817.66/x
  3. Step 3: Cross multiply
    19,857.96x = 29,791.50 × 5,817.66
  4. Step 4: Simplify right side
    19,857.96x = 173,316,817.89
  5. Step 5: Solve for x
    x = 173,316,817.89/19,857.96
  6. Step 6: Final answer
    x = 8,727.83

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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.