Home / 22,320.06-33,519.69-13,144.38

Finding the Fourth Proportional to 22,320.06, 33,519.69 and 13,144.38

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Solution

The fourth proportional to 22,320.06, 33,519.69 and 13,144.38 is: 19,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.06 : 33,519.69 = 13,144.38 : x
  2. Step 2: Convert to fraction form
    22,320.06/33,519.69 = 13,144.38/x
  3. Step 3: Cross multiply
    22,320.06x = 33,519.69 × 13,144.38
  4. Step 4: Simplify right side
    22,320.06x = 440,595,542.84
  5. Step 5: Solve for x
    x = 440,595,542.84/22,320.06
  6. Step 6: Final answer
    x = 19,739.89

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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.