Home / 18,111.64-27,167.46-6,422.14

Finding the Fourth Proportional to 18,111.64, 27,167.46 and 6,422.14

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Solution

The fourth proportional to 18,111.64, 27,167.46 and 6,422.14 is: 9,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.64 : 27,167.46 = 6,422.14 : x
  2. Step 2: Convert to fraction form
    18,111.64/27,167.46 = 6,422.14/x
  3. Step 3: Cross multiply
    18,111.64x = 27,167.46 × 6,422.14
  4. Step 4: Simplify right side
    18,111.64x = 174,473,231.56
  5. Step 5: Solve for x
    x = 174,473,231.56/18,111.64
  6. Step 6: Final answer
    x = 9,633.21

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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.