Home / 18,255.30-27,365.94-8,402.46

Finding the Fourth Proportional to 18,255.30, 27,365.94 and 8,402.46

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Solution

The fourth proportional to 18,255.30, 27,365.94 and 8,402.46 is: 12,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.30 : 27,365.94 = 8,402.46 : x
  2. Step 2: Convert to fraction form
    18,255.30/27,365.94 = 8,402.46/x
  3. Step 3: Cross multiply
    18,255.30x = 27,365.94 × 8,402.46
  4. Step 4: Simplify right side
    18,255.30x = 229,941,216.21
  5. Step 5: Solve for x
    x = 229,941,216.21/18,255.30
  6. Step 6: Final answer
    x = 12,595.86

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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.