Home / 18,167.22-27,259.47-8,305.74

Finding the Fourth Proportional to 18,167.22, 27,259.47 and 8,305.74

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Solution

The fourth proportional to 18,167.22, 27,259.47 and 8,305.74 is: 12,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.22 : 27,259.47 = 8,305.74 : x
  2. Step 2: Convert to fraction form
    18,167.22/27,259.47 = 8,305.74/x
  3. Step 3: Cross multiply
    18,167.22x = 27,259.47 × 8,305.74
  4. Step 4: Simplify right side
    18,167.22x = 226,410,070.36
  5. Step 5: Solve for x
    x = 226,410,070.36/18,167.22
  6. Step 6: Final answer
    x = 12,462.56

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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.