Home / 20,737.25-31,088.26-9,650.37

Finding the Fourth Proportional to 20,737.25, 31,088.26 and 9,650.37

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Solution

The fourth proportional to 20,737.25, 31,088.26 and 9,650.37 is: 14,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.25 : 31,088.26 = 9,650.37 : x
  2. Step 2: Convert to fraction form
    20,737.25/31,088.26 = 9,650.37/x
  3. Step 3: Cross multiply
    20,737.25x = 31,088.26 × 9,650.37
  4. Step 4: Simplify right side
    20,737.25x = 300,013,286.02
  5. Step 5: Solve for x
    x = 300,013,286.02/20,737.25
  6. Step 6: Final answer
    x = 14,467.36

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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.