Home / 13,826.43-20,727.18-9,385.61

Finding the Fourth Proportional to 13,826.43, 20,727.18 and 9,385.61

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Solution

The fourth proportional to 13,826.43, 20,727.18 and 9,385.61 is: 14,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.43 : 20,727.18 = 9,385.61 : x
  2. Step 2: Convert to fraction form
    13,826.43/20,727.18 = 9,385.61/x
  3. Step 3: Cross multiply
    13,826.43x = 20,727.18 × 9,385.61
  4. Step 4: Simplify right side
    13,826.43x = 194,537,124.24
  5. Step 5: Solve for x
    x = 194,537,124.24/13,826.43
  6. Step 6: Final answer
    x = 14,069.95

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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.