Home / 14,545.43-20,077.78-8,576.72

Finding the Fourth Proportional to 14,545.43, 20,077.78 and 8,576.72

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Solution

The fourth proportional to 14,545.43, 20,077.78 and 8,576.72 is: 11,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.43 : 20,077.78 = 8,576.72 : x
  2. Step 2: Convert to fraction form
    14,545.43/20,077.78 = 8,576.72/x
  3. Step 3: Cross multiply
    14,545.43x = 20,077.78 × 8,576.72
  4. Step 4: Simplify right side
    14,545.43x = 172,201,497.28
  5. Step 5: Solve for x
    x = 172,201,497.28/14,545.43
  6. Step 6: Final answer
    x = 11,838.87

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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.