Home / 20,472.15-30,697.84-9,369.33

Finding the Fourth Proportional to 20,472.15, 30,697.84 and 9,369.33

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Solution

The fourth proportional to 20,472.15, 30,697.84 and 9,369.33 is: 14,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.15 : 30,697.84 = 9,369.33 : x
  2. Step 2: Convert to fraction form
    20,472.15/30,697.84 = 9,369.33/x
  3. Step 3: Cross multiply
    20,472.15x = 30,697.84 × 9,369.33
  4. Step 4: Simplify right side
    20,472.15x = 287,618,193.25
  5. Step 5: Solve for x
    x = 287,618,193.25/20,472.15
  6. Step 6: Final answer
    x = 14,049.24

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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.