Home / 18,234.59-27,315.36-8,360.28

Finding the Fourth Proportional to 18,234.59, 27,315.36 and 8,360.28

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Solution

The fourth proportional to 18,234.59, 27,315.36 and 8,360.28 is: 12,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.59 : 27,315.36 = 8,360.28 : x
  2. Step 2: Convert to fraction form
    18,234.59/27,315.36 = 8,360.28/x
  3. Step 3: Cross multiply
    18,234.59x = 27,315.36 × 8,360.28
  4. Step 4: Simplify right side
    18,234.59x = 228,364,057.90
  5. Step 5: Solve for x
    x = 228,364,057.90/18,234.59
  6. Step 6: Final answer
    x = 12,523.68

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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.