Home / 13,893.72-20,832.36-5,577.66

Finding the Fourth Proportional to 13,893.72, 20,832.36 and 5,577.66

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Solution

The fourth proportional to 13,893.72, 20,832.36 and 5,577.66 is: 8,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.72 : 20,832.36 = 5,577.66 : x
  2. Step 2: Convert to fraction form
    13,893.72/20,832.36 = 5,577.66/x
  3. Step 3: Cross multiply
    13,893.72x = 20,832.36 × 5,577.66
  4. Step 4: Simplify right side
    13,893.72x = 116,195,821.08
  5. Step 5: Solve for x
    x = 116,195,821.08/13,893.72
  6. Step 6: Final answer
    x = 8,363.19

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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.