Home / 18,171.85-27,268.35-7,641.11

Finding the Fourth Proportional to 18,171.85, 27,268.35 and 7,641.11

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Solution

The fourth proportional to 18,171.85, 27,268.35 and 7,641.11 is: 11,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.85 : 27,268.35 = 7,641.11 : x
  2. Step 2: Convert to fraction form
    18,171.85/27,268.35 = 7,641.11/x
  3. Step 3: Cross multiply
    18,171.85x = 27,268.35 × 7,641.11
  4. Step 4: Simplify right side
    18,171.85x = 208,360,287.32
  5. Step 5: Solve for x
    x = 208,360,287.32/18,171.85
  6. Step 6: Final answer
    x = 11,466.11

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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.