Home / 14,961.43-20,640.97-8,585.71

Finding the Fourth Proportional to 14,961.43, 20,640.97 and 8,585.71

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Solution

The fourth proportional to 14,961.43, 20,640.97 and 8,585.71 is: 11,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.43 : 20,640.97 = 8,585.71 : x
  2. Step 2: Convert to fraction form
    14,961.43/20,640.97 = 8,585.71/x
  3. Step 3: Cross multiply
    14,961.43x = 20,640.97 × 8,585.71
  4. Step 4: Simplify right side
    14,961.43x = 177,217,457.77
  5. Step 5: Solve for x
    x = 177,217,457.77/14,961.43
  6. Step 6: Final answer
    x = 11,844.96

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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.