Home / 11,347.20-17,033.60-8,761.60

Finding the Fourth Proportional to 11,347.20, 17,033.60 and 8,761.60

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Solution

The fourth proportional to 11,347.20, 17,033.60 and 8,761.60 is: 13,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.20 : 17,033.60 = 8,761.60 : x
  2. Step 2: Convert to fraction form
    11,347.20/17,033.60 = 8,761.60/x
  3. Step 3: Cross multiply
    11,347.20x = 17,033.60 × 8,761.60
  4. Step 4: Simplify right side
    11,347.20x = 149,241,589.76
  5. Step 5: Solve for x
    x = 149,241,589.76/11,347.20
  6. Step 6: Final answer
    x = 13,152.28

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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.