Home / 14,568.54-20,103.91-8,912.71

Finding the Fourth Proportional to 14,568.54, 20,103.91 and 8,912.71

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Solution

The fourth proportional to 14,568.54, 20,103.91 and 8,912.71 is: 12,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.54 : 20,103.91 = 8,912.71 : x
  2. Step 2: Convert to fraction form
    14,568.54/20,103.91 = 8,912.71/x
  3. Step 3: Cross multiply
    14,568.54x = 20,103.91 × 8,912.71
  4. Step 4: Simplify right side
    14,568.54x = 179,180,319.70
  5. Step 5: Solve for x
    x = 179,180,319.70/14,568.54
  6. Step 6: Final answer
    x = 12,299.13

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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.