Home / 14,268.15-21,405.14-4,906.95

Finding the Fourth Proportional to 14,268.15, 21,405.14 and 4,906.95

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Solution

The fourth proportional to 14,268.15, 21,405.14 and 4,906.95 is: 7,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.15 : 21,405.14 = 4,906.95 : x
  2. Step 2: Convert to fraction form
    14,268.15/21,405.14 = 4,906.95/x
  3. Step 3: Cross multiply
    14,268.15x = 21,405.14 × 4,906.95
  4. Step 4: Simplify right side
    14,268.15x = 105,033,963.99
  5. Step 5: Solve for x
    x = 105,033,963.99/14,268.15
  6. Step 6: Final answer
    x = 7,361.43

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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.