Home / 22,006.60-30,369.30-12,576.52

Finding the Fourth Proportional to 22,006.60, 30,369.30 and 12,576.52

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Solution

The fourth proportional to 22,006.60, 30,369.30 and 12,576.52 is: 17,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.60 : 30,369.30 = 12,576.52 : x
  2. Step 2: Convert to fraction form
    22,006.60/30,369.30 = 12,576.52/x
  3. Step 3: Cross multiply
    22,006.60x = 30,369.30 × 12,576.52
  4. Step 4: Simplify right side
    22,006.60x = 381,940,108.84
  5. Step 5: Solve for x
    x = 381,940,108.84/22,006.60
  6. Step 6: Final answer
    x = 17,355.71

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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.