Home / 11,652.76-17,478.68-2,887.44

Finding the Fourth Proportional to 11,652.76, 17,478.68 and 2,887.44

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Solution

The fourth proportional to 11,652.76, 17,478.68 and 2,887.44 is: 4,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.76 : 17,478.68 = 2,887.44 : x
  2. Step 2: Convert to fraction form
    11,652.76/17,478.68 = 2,887.44/x
  3. Step 3: Cross multiply
    11,652.76x = 17,478.68 × 2,887.44
  4. Step 4: Simplify right side
    11,652.76x = 50,468,639.78
  5. Step 5: Solve for x
    x = 50,468,639.78/11,652.76
  6. Step 6: Final answer
    x = 4,331.05

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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.