Home / 13,262.00-18,309.14-8,791.81

Finding the Fourth Proportional to 13,262.00, 18,309.14 and 8,791.81

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Solution

The fourth proportional to 13,262.00, 18,309.14 and 8,791.81 is: 12,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.00 : 18,309.14 = 8,791.81 : x
  2. Step 2: Convert to fraction form
    13,262.00/18,309.14 = 8,791.81/x
  3. Step 3: Cross multiply
    13,262.00x = 18,309.14 × 8,791.81
  4. Step 4: Simplify right side
    13,262.00x = 160,970,423.38
  5. Step 5: Solve for x
    x = 160,970,423.38/13,262.00
  6. Step 6: Final answer
    x = 12,137.72

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Why These Related Problems?

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