Home / 13,519.53-18,646.67-11,634.30

Finding the Fourth Proportional to 13,519.53, 18,646.67 and 11,634.30

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Solution

The fourth proportional to 13,519.53, 18,646.67 and 11,634.30 is: 16,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.53 : 18,646.67 = 11,634.30 : x
  2. Step 2: Convert to fraction form
    13,519.53/18,646.67 = 11,634.30/x
  3. Step 3: Cross multiply
    13,519.53x = 18,646.67 × 11,634.30
  4. Step 4: Simplify right side
    13,519.53x = 216,940,981.87
  5. Step 5: Solve for x
    x = 216,940,981.87/13,519.53
  6. Step 6: Final answer
    x = 16,046.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.