Home / 13,329.66-20,004.48-5,017.86

Finding the Fourth Proportional to 13,329.66, 20,004.48 and 5,017.86

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Solution

The fourth proportional to 13,329.66, 20,004.48 and 5,017.86 is: 7,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.66 : 20,004.48 = 5,017.86 : x
  2. Step 2: Convert to fraction form
    13,329.66/20,004.48 = 5,017.86/x
  3. Step 3: Cross multiply
    13,329.66x = 20,004.48 × 5,017.86
  4. Step 4: Simplify right side
    13,329.66x = 100,379,680.01
  5. Step 5: Solve for x
    x = 100,379,680.01/13,329.66
  6. Step 6: Final answer
    x = 7,530.55

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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.