Home / 22,007.66-30,369.98-12,576.21

Finding the Fourth Proportional to 22,007.66, 30,369.98 and 12,576.21

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Solution

The fourth proportional to 22,007.66, 30,369.98 and 12,576.21 is: 17,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.66 : 30,369.98 = 12,576.21 : x
  2. Step 2: Convert to fraction form
    22,007.66/30,369.98 = 12,576.21/x
  3. Step 3: Cross multiply
    22,007.66x = 30,369.98 × 12,576.21
  4. Step 4: Simplify right side
    22,007.66x = 381,939,183.29
  5. Step 5: Solve for x
    x = 381,939,183.29/22,007.66
  6. Step 6: Final answer
    x = 17,354.83

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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.