Home / 11,376.60-17,101.35-8,112.30

Finding the Fourth Proportional to 11,376.60, 17,101.35 and 8,112.30

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Solution

The fourth proportional to 11,376.60, 17,101.35 and 8,112.30 is: 12,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.60 : 17,101.35 = 8,112.30 : x
  2. Step 2: Convert to fraction form
    11,376.60/17,101.35 = 8,112.30/x
  3. Step 3: Cross multiply
    11,376.60x = 17,101.35 × 8,112.30
  4. Step 4: Simplify right side
    11,376.60x = 138,731,281.61
  5. Step 5: Solve for x
    x = 138,731,281.61/11,376.60
  6. Step 6: Final answer
    x = 12,194.44

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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.