Home / 14,847.34-20,489.63-8,132.97

Finding the Fourth Proportional to 14,847.34, 20,489.63 and 8,132.97

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Solution

The fourth proportional to 14,847.34, 20,489.63 and 8,132.97 is: 11,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.34 : 20,489.63 = 8,132.97 : x
  2. Step 2: Convert to fraction form
    14,847.34/20,489.63 = 8,132.97/x
  3. Step 3: Cross multiply
    14,847.34x = 20,489.63 × 8,132.97
  4. Step 4: Simplify right side
    14,847.34x = 166,641,546.10
  5. Step 5: Solve for x
    x = 166,641,546.10/14,847.34
  6. Step 6: Final answer
    x = 11,223.66

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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.