Home / 18,198.18-27,274.94-8,699.61

Finding the Fourth Proportional to 18,198.18, 27,274.94 and 8,699.61

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Solution

The fourth proportional to 18,198.18, 27,274.94 and 8,699.61 is: 13,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.18 : 27,274.94 = 8,699.61 : x
  2. Step 2: Convert to fraction form
    18,198.18/27,274.94 = 8,699.61/x
  3. Step 3: Cross multiply
    18,198.18x = 27,274.94 × 8,699.61
  4. Step 4: Simplify right side
    18,198.18x = 237,281,340.77
  5. Step 5: Solve for x
    x = 237,281,340.77/18,198.18
  6. Step 6: Final answer
    x = 13,038.74

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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.