Home / 13,550.30-20,275.56-8,194.38

Finding the Fourth Proportional to 13,550.30, 20,275.56 and 8,194.38

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Solution

The fourth proportional to 13,550.30, 20,275.56 and 8,194.38 is: 12,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.30 : 20,275.56 = 8,194.38 : x
  2. Step 2: Convert to fraction form
    13,550.30/20,275.56 = 8,194.38/x
  3. Step 3: Cross multiply
    13,550.30x = 20,275.56 × 8,194.38
  4. Step 4: Simplify right side
    13,550.30x = 166,145,643.35
  5. Step 5: Solve for x
    x = 166,145,643.35/13,550.30
  6. Step 6: Final answer
    x = 12,261.40

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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.