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Finding the Fourth Proportional to 22,201.52, 30,637.58 and 12,130

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Solution

The fourth proportional to 22,201.52, 30,637.58 and 12,130 is: 16,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.52 : 30,637.58 = 12,130 : x
  2. Step 2: Convert to fraction form
    22,201.52/30,637.58 = 12,130/x
  3. Step 3: Cross multiply
    22,201.52x = 30,637.58 × 12,130
  4. Step 4: Simplify right side
    22,201.52x = 371,633,845.40
  5. Step 5: Solve for x
    x = 371,633,845.40/22,201.52
  6. Step 6: Final answer
    x = 16,739.12

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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.