Home / 12,556.82-18,831.96-5,969.90

Finding the Fourth Proportional to 12,556.82, 18,831.96 and 5,969.90

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Solution

The fourth proportional to 12,556.82, 18,831.96 and 5,969.90 is: 8,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.82 : 18,831.96 = 5,969.90 : x
  2. Step 2: Convert to fraction form
    12,556.82/18,831.96 = 5,969.90/x
  3. Step 3: Cross multiply
    12,556.82x = 18,831.96 × 5,969.90
  4. Step 4: Simplify right side
    12,556.82x = 112,424,918.00
  5. Step 5: Solve for x
    x = 112,424,918.00/12,556.82
  6. Step 6: Final answer
    x = 8,953.30

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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.