Home / 18,114.03-27,163.35-8,259.57

Finding the Fourth Proportional to 18,114.03, 27,163.35 and 8,259.57

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Solution

The fourth proportional to 18,114.03, 27,163.35 and 8,259.57 is: 12,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.03 : 27,163.35 = 8,259.57 : x
  2. Step 2: Convert to fraction form
    18,114.03/27,163.35 = 8,259.57/x
  3. Step 3: Cross multiply
    18,114.03x = 27,163.35 × 8,259.57
  4. Step 4: Simplify right side
    18,114.03x = 224,357,590.76
  5. Step 5: Solve for x
    x = 224,357,590.76/18,114.03
  6. Step 6: Final answer
    x = 12,385.85

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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.