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Finding the Fourth Proportional to 13,270.60, 19,877.10 and 8,086.60

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Solution

The fourth proportional to 13,270.60, 19,877.10 and 8,086.60 is: 12,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.60 : 19,877.10 = 8,086.60 : x
  2. Step 2: Convert to fraction form
    13,270.60/19,877.10 = 8,086.60/x
  3. Step 3: Cross multiply
    13,270.60x = 19,877.10 × 8,086.60
  4. Step 4: Simplify right side
    13,270.60x = 160,738,156.86
  5. Step 5: Solve for x
    x = 160,738,156.86/13,270.60
  6. Step 6: Final answer
    x = 12,112.35

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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.