Home / 22,410.45-33,618.78-7,615.44

Finding the Fourth Proportional to 22,410.45, 33,618.78 and 7,615.44

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Solution

The fourth proportional to 22,410.45, 33,618.78 and 7,615.44 is: 11,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,410.45 : 33,618.78 = 7,615.44 : x
  2. Step 2: Convert to fraction form
    22,410.45/33,618.78 = 7,615.44/x
  3. Step 3: Cross multiply
    22,410.45x = 33,618.78 × 7,615.44
  4. Step 4: Simplify right side
    22,410.45x = 256,021,801.96
  5. Step 5: Solve for x
    x = 256,021,801.96/22,410.45
  6. Step 6: Final answer
    x = 11,424.22

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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.