Home / 22,455.06-33,682.61-9,129.39

Finding the Fourth Proportional to 22,455.06, 33,682.61 and 9,129.39

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Solution

The fourth proportional to 22,455.06, 33,682.61 and 9,129.39 is: 13,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.06 : 33,682.61 = 9,129.39 : x
  2. Step 2: Convert to fraction form
    22,455.06/33,682.61 = 9,129.39/x
  3. Step 3: Cross multiply
    22,455.06x = 33,682.61 × 9,129.39
  4. Step 4: Simplify right side
    22,455.06x = 307,501,682.91
  5. Step 5: Solve for x
    x = 307,501,682.91/22,455.06
  6. Step 6: Final answer
    x = 13,694.09

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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.