Home / 11,675.32-17,512.98-3,884.20

Finding the Fourth Proportional to 11,675.32, 17,512.98 and 3,884.20

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Solution

The fourth proportional to 11,675.32, 17,512.98 and 3,884.20 is: 5,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.32 : 17,512.98 = 3,884.20 : x
  2. Step 2: Convert to fraction form
    11,675.32/17,512.98 = 3,884.20/x
  3. Step 3: Cross multiply
    11,675.32x = 17,512.98 × 3,884.20
  4. Step 4: Simplify right side
    11,675.32x = 68,023,916.92
  5. Step 5: Solve for x
    x = 68,023,916.92/11,675.32
  6. Step 6: Final answer
    x = 5,826.30

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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.