Home / 14,760.24-20,366.80-8,791.76

Finding the Fourth Proportional to 14,760.24, 20,366.80 and 8,791.76

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Solution

The fourth proportional to 14,760.24, 20,366.80 and 8,791.76 is: 12,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.24 : 20,366.80 = 8,791.76 : x
  2. Step 2: Convert to fraction form
    14,760.24/20,366.80 = 8,791.76/x
  3. Step 3: Cross multiply
    14,760.24x = 20,366.80 × 8,791.76
  4. Step 4: Simplify right side
    14,760.24x = 179,060,017.57
  5. Step 5: Solve for x
    x = 179,060,017.57/14,760.24
  6. Step 6: Final answer
    x = 12,131.24

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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.