Home / 22,138.98-33,213.33-6,557.82

Finding the Fourth Proportional to 22,138.98, 33,213.33 and 6,557.82

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Solution

The fourth proportional to 22,138.98, 33,213.33 and 6,557.82 is: 9,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.98 : 33,213.33 = 6,557.82 : x
  2. Step 2: Convert to fraction form
    22,138.98/33,213.33 = 6,557.82/x
  3. Step 3: Cross multiply
    22,138.98x = 33,213.33 × 6,557.82
  4. Step 4: Simplify right side
    22,138.98x = 217,807,039.74
  5. Step 5: Solve for x
    x = 217,807,039.74/22,138.98
  6. Step 6: Final answer
    x = 9,838.17

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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.