Home / 15,739.11-23,609.68-5,208.71

Finding the Fourth Proportional to 15,739.11, 23,609.68 and 5,208.71

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Solution

The fourth proportional to 15,739.11, 23,609.68 and 5,208.71 is: 7,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.11 : 23,609.68 = 5,208.71 : x
  2. Step 2: Convert to fraction form
    15,739.11/23,609.68 = 5,208.71/x
  3. Step 3: Cross multiply
    15,739.11x = 23,609.68 × 5,208.71
  4. Step 4: Simplify right side
    15,739.11x = 122,975,845.24
  5. Step 5: Solve for x
    x = 122,975,845.24/15,739.11
  6. Step 6: Final answer
    x = 7,813.39

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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.