Home / 20,737.27-31,093.39-8,259.22

Finding the Fourth Proportional to 20,737.27, 31,093.39 and 8,259.22

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Solution

The fourth proportional to 20,737.27, 31,093.39 and 8,259.22 is: 12,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.27 : 31,093.39 = 8,259.22 : x
  2. Step 2: Convert to fraction form
    20,737.27/31,093.39 = 8,259.22/x
  3. Step 3: Cross multiply
    20,737.27x = 31,093.39 × 8,259.22
  4. Step 4: Simplify right side
    20,737.27x = 256,807,148.56
  5. Step 5: Solve for x
    x = 256,807,148.56/20,737.27
  6. Step 6: Final answer
    x = 12,383.85

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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.