Home / 22,091.78-30,490.44-14,133.62

Finding the Fourth Proportional to 22,091.78, 30,490.44 and 14,133.62

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Solution

The fourth proportional to 22,091.78, 30,490.44 and 14,133.62 is: 19,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.78 : 30,490.44 = 14,133.62 : x
  2. Step 2: Convert to fraction form
    22,091.78/30,490.44 = 14,133.62/x
  3. Step 3: Cross multiply
    22,091.78x = 30,490.44 × 14,133.62
  4. Step 4: Simplify right side
    22,091.78x = 430,940,292.59
  5. Step 5: Solve for x
    x = 430,940,292.59/22,091.78
  6. Step 6: Final answer
    x = 19,506.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.