Home / 22,209.96-33,338.01-12,868.23

Finding the Fourth Proportional to 22,209.96, 33,338.01 and 12,868.23

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Solution

The fourth proportional to 22,209.96, 33,338.01 and 12,868.23 is: 19,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.96 : 33,338.01 = 12,868.23 : x
  2. Step 2: Convert to fraction form
    22,209.96/33,338.01 = 12,868.23/x
  3. Step 3: Cross multiply
    22,209.96x = 33,338.01 × 12,868.23
  4. Step 4: Simplify right side
    22,209.96x = 429,001,180.42
  5. Step 5: Solve for x
    x = 429,001,180.42/22,209.96
  6. Step 6: Final answer
    x = 19,315.71

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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.