Home / 18,752.64-28,131.84-6,268.80

Finding the Fourth Proportional to 18,752.64, 28,131.84 and 6,268.80

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Solution

The fourth proportional to 18,752.64, 28,131.84 and 6,268.80 is: 9,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.64 : 28,131.84 = 6,268.80 : x
  2. Step 2: Convert to fraction form
    18,752.64/28,131.84 = 6,268.80/x
  3. Step 3: Cross multiply
    18,752.64x = 28,131.84 × 6,268.80
  4. Step 4: Simplify right side
    18,752.64x = 176,352,878.59
  5. Step 5: Solve for x
    x = 176,352,878.59/18,752.64
  6. Step 6: Final answer
    x = 9,404.16

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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.