Home / 13,808.91-20,725.17-5,494.77

Finding the Fourth Proportional to 13,808.91, 20,725.17 and 5,494.77

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Solution

The fourth proportional to 13,808.91, 20,725.17 and 5,494.77 is: 8,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.91 : 20,725.17 = 5,494.77 : x
  2. Step 2: Convert to fraction form
    13,808.91/20,725.17 = 5,494.77/x
  3. Step 3: Cross multiply
    13,808.91x = 20,725.17 × 5,494.77
  4. Step 4: Simplify right side
    13,808.91x = 113,880,042.36
  5. Step 5: Solve for x
    x = 113,880,042.36/13,808.91
  6. Step 6: Final answer
    x = 8,246.85

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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.