Home / 22,203.72-33,305.83-12,838.07

Finding the Fourth Proportional to 22,203.72, 33,305.83 and 12,838.07

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Solution

The fourth proportional to 22,203.72, 33,305.83 and 12,838.07 is: 19,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.72 : 33,305.83 = 12,838.07 : x
  2. Step 2: Convert to fraction form
    22,203.72/33,305.83 = 12,838.07/x
  3. Step 3: Cross multiply
    22,203.72x = 33,305.83 × 12,838.07
  4. Step 4: Simplify right side
    22,203.72x = 427,582,606.66
  5. Step 5: Solve for x
    x = 427,582,606.66/22,203.72
  6. Step 6: Final answer
    x = 19,257.25

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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.