Home / 13,329.25-19,971.99-4,559.38

Finding the Fourth Proportional to 13,329.25, 19,971.99 and 4,559.38

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Solution

The fourth proportional to 13,329.25, 19,971.99 and 4,559.38 is: 6,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.25 : 19,971.99 = 4,559.38 : x
  2. Step 2: Convert to fraction form
    13,329.25/19,971.99 = 4,559.38/x
  3. Step 3: Cross multiply
    13,329.25x = 19,971.99 × 4,559.38
  4. Step 4: Simplify right side
    13,329.25x = 91,059,891.77
  5. Step 5: Solve for x
    x = 91,059,891.77/13,329.25
  6. Step 6: Final answer
    x = 6,831.58

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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.