Home / 20,669.27-31,006.07-8,824.23

Finding the Fourth Proportional to 20,669.27, 31,006.07 and 8,824.23

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Solution

The fourth proportional to 20,669.27, 31,006.07 and 8,824.23 is: 13,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.27 : 31,006.07 = 8,824.23 : x
  2. Step 2: Convert to fraction form
    20,669.27/31,006.07 = 8,824.23/x
  3. Step 3: Cross multiply
    20,669.27x = 31,006.07 × 8,824.23
  4. Step 4: Simplify right side
    20,669.27x = 273,604,648.95
  5. Step 5: Solve for x
    x = 273,604,648.95/20,669.27
  6. Step 6: Final answer
    x = 13,237.27

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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.