Home / 19,861.30-29,791.94-5,070.22

Finding the Fourth Proportional to 19,861.30, 29,791.94 and 5,070.22

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Solution

The fourth proportional to 19,861.30, 29,791.94 and 5,070.22 is: 7,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.30 : 29,791.94 = 5,070.22 : x
  2. Step 2: Convert to fraction form
    19,861.30/29,791.94 = 5,070.22/x
  3. Step 3: Cross multiply
    19,861.30x = 29,791.94 × 5,070.22
  4. Step 4: Simplify right side
    19,861.30x = 151,051,690.03
  5. Step 5: Solve for x
    x = 151,051,690.03/19,861.30
  6. Step 6: Final answer
    x = 7,605.33

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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.