Home / 13,577.72-20,361.54-4,690.77

Finding the Fourth Proportional to 13,577.72, 20,361.54 and 4,690.77

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Solution

The fourth proportional to 13,577.72, 20,361.54 and 4,690.77 is: 7,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.72 : 20,361.54 = 4,690.77 : x
  2. Step 2: Convert to fraction form
    13,577.72/20,361.54 = 4,690.77/x
  3. Step 3: Cross multiply
    13,577.72x = 20,361.54 × 4,690.77
  4. Step 4: Simplify right side
    13,577.72x = 95,511,300.99
  5. Step 5: Solve for x
    x = 95,511,300.99/13,577.72
  6. Step 6: Final answer
    x = 7,034.42

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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.