Home / 11,376.20-17,077.10-8,790.60

Finding the Fourth Proportional to 11,376.20, 17,077.10 and 8,790.60

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Solution

The fourth proportional to 11,376.20, 17,077.10 and 8,790.60 is: 13,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.20 : 17,077.10 = 8,790.60 : x
  2. Step 2: Convert to fraction form
    11,376.20/17,077.10 = 8,790.60/x
  3. Step 3: Cross multiply
    11,376.20x = 17,077.10 × 8,790.60
  4. Step 4: Simplify right side
    11,376.20x = 150,117,955.26
  5. Step 5: Solve for x
    x = 150,117,955.26/11,376.20
  6. Step 6: Final answer
    x = 13,195.79

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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.