Home / 13,190.63-19,791.12-5,789.93

Finding the Fourth Proportional to 13,190.63, 19,791.12 and 5,789.93

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Solution

The fourth proportional to 13,190.63, 19,791.12 and 5,789.93 is: 8,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.63 : 19,791.12 = 5,789.93 : x
  2. Step 2: Convert to fraction form
    13,190.63/19,791.12 = 5,789.93/x
  3. Step 3: Cross multiply
    13,190.63x = 19,791.12 × 5,789.93
  4. Step 4: Simplify right side
    13,190.63x = 114,589,199.42
  5. Step 5: Solve for x
    x = 114,589,199.42/13,190.63
  6. Step 6: Final answer
    x = 8,687.17

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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.