Home / 11,788.97-16,268.18-6,482.78

Finding the Fourth Proportional to 11,788.97, 16,268.18 and 6,482.78

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Solution

The fourth proportional to 11,788.97, 16,268.18 and 6,482.78 is: 8,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.97 : 16,268.18 = 6,482.78 : x
  2. Step 2: Convert to fraction form
    11,788.97/16,268.18 = 6,482.78/x
  3. Step 3: Cross multiply
    11,788.97x = 16,268.18 × 6,482.78
  4. Step 4: Simplify right side
    11,788.97x = 105,462,918.19
  5. Step 5: Solve for x
    x = 105,462,918.19/11,788.97
  6. Step 6: Final answer
    x = 8,945.90

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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.