Home / 11,515.66-17,268.83-4,494.68

Finding the Fourth Proportional to 11,515.66, 17,268.83 and 4,494.68

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Solution

The fourth proportional to 11,515.66, 17,268.83 and 4,494.68 is: 6,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.66 : 17,268.83 = 4,494.68 : x
  2. Step 2: Convert to fraction form
    11,515.66/17,268.83 = 4,494.68/x
  3. Step 3: Cross multiply
    11,515.66x = 17,268.83 × 4,494.68
  4. Step 4: Simplify right side
    11,515.66x = 77,617,864.82
  5. Step 5: Solve for x
    x = 77,617,864.82/11,515.66
  6. Step 6: Final answer
    x = 6,740.20

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1.5x scale

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.