Home / 13,777.12-20,667.62-4,414.95

Finding the Fourth Proportional to 13,777.12, 20,667.62 and 4,414.95

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Solution

The fourth proportional to 13,777.12, 20,667.62 and 4,414.95 is: 6,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.12 : 20,667.62 = 4,414.95 : x
  2. Step 2: Convert to fraction form
    13,777.12/20,667.62 = 4,414.95/x
  3. Step 3: Cross multiply
    13,777.12x = 20,667.62 × 4,414.95
  4. Step 4: Simplify right side
    13,777.12x = 91,246,405.58
  5. Step 5: Solve for x
    x = 91,246,405.58/13,777.12
  6. Step 6: Final answer
    x = 6,623.04

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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.