Home / 14,847.46-20,489.32-8,132.69

Finding the Fourth Proportional to 14,847.46, 20,489.32 and 8,132.69

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Solution

The fourth proportional to 14,847.46, 20,489.32 and 8,132.69 is: 11,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.46 : 20,489.32 = 8,132.69 : x
  2. Step 2: Convert to fraction form
    14,847.46/20,489.32 = 8,132.69/x
  3. Step 3: Cross multiply
    14,847.46x = 20,489.32 × 8,132.69
  4. Step 4: Simplify right side
    14,847.46x = 166,633,287.87
  5. Step 5: Solve for x
    x = 166,633,287.87/14,847.46
  6. Step 6: Final answer
    x = 11,223.02

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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.