Home / 13,131.45-18,125.46-8,097.27

Finding the Fourth Proportional to 13,131.45, 18,125.46 and 8,097.27

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Solution

The fourth proportional to 13,131.45, 18,125.46 and 8,097.27 is: 11,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.45 : 18,125.46 = 8,097.27 : x
  2. Step 2: Convert to fraction form
    13,131.45/18,125.46 = 8,097.27/x
  3. Step 3: Cross multiply
    13,131.45x = 18,125.46 × 8,097.27
  4. Step 4: Simplify right side
    13,131.45x = 146,766,743.49
  5. Step 5: Solve for x
    x = 146,766,743.49/13,131.45
  6. Step 6: Final answer
    x = 11,176.74

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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.