Home / 14,789.25-20,409.17-8,505.27

Finding the Fourth Proportional to 14,789.25, 20,409.17 and 8,505.27

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Solution

The fourth proportional to 14,789.25, 20,409.17 and 8,505.27 is: 11,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.25 : 20,409.17 = 8,505.27 : x
  2. Step 2: Convert to fraction form
    14,789.25/20,409.17 = 8,505.27/x
  3. Step 3: Cross multiply
    14,789.25x = 20,409.17 × 8,505.27
  4. Step 4: Simplify right side
    14,789.25x = 173,585,458.80
  5. Step 5: Solve for x
    x = 173,585,458.80/14,789.25
  6. Step 6: Final answer
    x = 11,737.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.