Home / 22,455.78-33,682.32-6,660.18

Finding the Fourth Proportional to 22,455.78, 33,682.32 and 6,660.18

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Solution

The fourth proportional to 22,455.78, 33,682.32 and 6,660.18 is: 9,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.78 : 33,682.32 = 6,660.18 : x
  2. Step 2: Convert to fraction form
    22,455.78/33,682.32 = 6,660.18/x
  3. Step 3: Cross multiply
    22,455.78x = 33,682.32 × 6,660.18
  4. Step 4: Simplify right side
    22,455.78x = 224,330,314.02
  5. Step 5: Solve for x
    x = 224,330,314.02/22,455.78
  6. Step 6: Final answer
    x = 9,989.87

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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.