Home / 13,464.72-20,195.63-4,699.80

Finding the Fourth Proportional to 13,464.72, 20,195.63 and 4,699.80

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Solution

The fourth proportional to 13,464.72, 20,195.63 and 4,699.80 is: 7,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.72 : 20,195.63 = 4,699.80 : x
  2. Step 2: Convert to fraction form
    13,464.72/20,195.63 = 4,699.80/x
  3. Step 3: Cross multiply
    13,464.72x = 20,195.63 × 4,699.80
  4. Step 4: Simplify right side
    13,464.72x = 94,915,421.87
  5. Step 5: Solve for x
    x = 94,915,421.87/13,464.72
  6. Step 6: Final answer
    x = 7,049.19

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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.