Home / 13,468.77-18,596.94-8,170.80

Finding the Fourth Proportional to 13,468.77, 18,596.94 and 8,170.80

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Solution

The fourth proportional to 13,468.77, 18,596.94 and 8,170.80 is: 11,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.77 : 18,596.94 = 8,170.80 : x
  2. Step 2: Convert to fraction form
    13,468.77/18,596.94 = 8,170.80/x
  3. Step 3: Cross multiply
    13,468.77x = 18,596.94 × 8,170.80
  4. Step 4: Simplify right side
    13,468.77x = 151,951,877.35
  5. Step 5: Solve for x
    x = 151,951,877.35/13,468.77
  6. Step 6: Final answer
    x = 11,281.79

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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.