Home / 20,910.10-31,364.97-9,223.33

Finding the Fourth Proportional to 20,910.10, 31,364.97 and 9,223.33

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Solution

The fourth proportional to 20,910.10, 31,364.97 and 9,223.33 is: 13,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,910.10 : 31,364.97 = 9,223.33 : x
  2. Step 2: Convert to fraction form
    20,910.10/31,364.97 = 9,223.33/x
  3. Step 3: Cross multiply
    20,910.10x = 31,364.97 × 9,223.33
  4. Step 4: Simplify right side
    20,910.10x = 289,289,468.75
  5. Step 5: Solve for x
    x = 289,289,468.75/20,910.10
  6. Step 6: Final answer
    x = 13,834.92

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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.