Home / 20,356.32-28,092.05-11,737.74

Finding the Fourth Proportional to 20,356.32, 28,092.05 and 11,737.74

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Solution

The fourth proportional to 20,356.32, 28,092.05 and 11,737.74 is: 16,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.32 : 28,092.05 = 11,737.74 : x
  2. Step 2: Convert to fraction form
    20,356.32/28,092.05 = 11,737.74/x
  3. Step 3: Cross multiply
    20,356.32x = 28,092.05 × 11,737.74
  4. Step 4: Simplify right side
    20,356.32x = 329,737,120.28
  5. Step 5: Solve for x
    x = 329,737,120.28/20,356.32
  6. Step 6: Final answer
    x = 16,198.27

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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.