Home / 13,577.73-20,361.59-4,690.79

Finding the Fourth Proportional to 13,577.73, 20,361.59 and 4,690.79

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Solution

The fourth proportional to 13,577.73, 20,361.59 and 4,690.79 is: 7,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.73 : 20,361.59 = 4,690.79 : x
  2. Step 2: Convert to fraction form
    13,577.73/20,361.59 = 4,690.79/x
  3. Step 3: Cross multiply
    13,577.73x = 20,361.59 × 4,690.79
  4. Step 4: Simplify right side
    13,577.73x = 95,511,817.49
  5. Step 5: Solve for x
    x = 95,511,817.49/13,577.73
  6. Step 6: Final answer
    x = 7,034.45

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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.