Home / 11,184.60-16,757.70-5,328.60

Finding the Fourth Proportional to 11,184.60, 16,757.70 and 5,328.60

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Solution

The fourth proportional to 11,184.60, 16,757.70 and 5,328.60 is: 7,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.60 : 16,757.70 = 5,328.60 : x
  2. Step 2: Convert to fraction form
    11,184.60/16,757.70 = 5,328.60/x
  3. Step 3: Cross multiply
    11,184.60x = 16,757.70 × 5,328.60
  4. Step 4: Simplify right side
    11,184.60x = 89,295,080.22
  5. Step 5: Solve for x
    x = 89,295,080.22/11,184.60
  6. Step 6: Final answer
    x = 7,983.75

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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.