Home / 13,606.04-20,404.97-4,719.31

Finding the Fourth Proportional to 13,606.04, 20,404.97 and 4,719.31

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Solution

The fourth proportional to 13,606.04, 20,404.97 and 4,719.31 is: 7,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.04 : 20,404.97 = 4,719.31 : x
  2. Step 2: Convert to fraction form
    13,606.04/20,404.97 = 4,719.31/x
  3. Step 3: Cross multiply
    13,606.04x = 20,404.97 × 4,719.31
  4. Step 4: Simplify right side
    13,606.04x = 96,297,296.10
  5. Step 5: Solve for x
    x = 96,297,296.10/13,606.04
  6. Step 6: Final answer
    x = 7,077.54

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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.