Home / 20,363.43-30,558.98-11,006.32

Finding the Fourth Proportional to 20,363.43, 30,558.98 and 11,006.32

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Solution

The fourth proportional to 20,363.43, 30,558.98 and 11,006.32 is: 16,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.43 : 30,558.98 = 11,006.32 : x
  2. Step 2: Convert to fraction form
    20,363.43/30,558.98 = 11,006.32/x
  3. Step 3: Cross multiply
    20,363.43x = 30,558.98 × 11,006.32
  4. Step 4: Simplify right side
    20,363.43x = 336,341,863.87
  5. Step 5: Solve for x
    x = 336,341,863.87/20,363.43
  6. Step 6: Final answer
    x = 16,516.96

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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.