Home / 14,908.38-20,576.64-8,622.78

Finding the Fourth Proportional to 14,908.38, 20,576.64 and 8,622.78

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Solution

The fourth proportional to 14,908.38, 20,576.64 and 8,622.78 is: 11,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.38 : 20,576.64 = 8,622.78 : x
  2. Step 2: Convert to fraction form
    14,908.38/20,576.64 = 8,622.78/x
  3. Step 3: Cross multiply
    14,908.38x = 20,576.64 × 8,622.78
  4. Step 4: Simplify right side
    14,908.38x = 177,427,839.86
  5. Step 5: Solve for x
    x = 177,427,839.86/14,908.38
  6. Step 6: Final answer
    x = 11,901.22

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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.