Home / 14,079.30-19,427.40-7,791.66

Finding the Fourth Proportional to 14,079.30, 19,427.40 and 7,791.66

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Solution

The fourth proportional to 14,079.30, 19,427.40 and 7,791.66 is: 10,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.30 : 19,427.40 = 7,791.66 : x
  2. Step 2: Convert to fraction form
    14,079.30/19,427.40 = 7,791.66/x
  3. Step 3: Cross multiply
    14,079.30x = 19,427.40 × 7,791.66
  4. Step 4: Simplify right side
    14,079.30x = 151,371,695.48
  5. Step 5: Solve for x
    x = 151,371,695.48/14,079.30
  6. Step 6: Final answer
    x = 10,751.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.