Home / 13,694.25-20,538.64-4,332.68

Finding the Fourth Proportional to 13,694.25, 20,538.64 and 4,332.68

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Solution

The fourth proportional to 13,694.25, 20,538.64 and 4,332.68 is: 6,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.25 : 20,538.64 = 4,332.68 : x
  2. Step 2: Convert to fraction form
    13,694.25/20,538.64 = 4,332.68/x
  3. Step 3: Cross multiply
    13,694.25x = 20,538.64 × 4,332.68
  4. Step 4: Simplify right side
    13,694.25x = 88,987,354.76
  5. Step 5: Solve for x
    x = 88,987,354.76/13,694.25
  6. Step 6: Final answer
    x = 6,498.15

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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.