Home / 22,218.75-33,329.34-6,637.59

Finding the Fourth Proportional to 22,218.75, 33,329.34 and 6,637.59

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Solution

The fourth proportional to 22,218.75, 33,329.34 and 6,637.59 is: 9,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.75 : 33,329.34 = 6,637.59 : x
  2. Step 2: Convert to fraction form
    22,218.75/33,329.34 = 6,637.59/x
  3. Step 3: Cross multiply
    22,218.75x = 33,329.34 × 6,637.59
  4. Step 4: Simplify right side
    22,218.75x = 221,226,493.89
  5. Step 5: Solve for x
    x = 221,226,493.89/22,218.75
  6. Step 6: Final answer
    x = 9,956.75

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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.