Home / 14,268.38-21,403.17-3,880.13

Finding the Fourth Proportional to 14,268.38, 21,403.17 and 3,880.13

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Solution

The fourth proportional to 14,268.38, 21,403.17 and 3,880.13 is: 5,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.38 : 21,403.17 = 3,880.13 : x
  2. Step 2: Convert to fraction form
    14,268.38/21,403.17 = 3,880.13/x
  3. Step 3: Cross multiply
    14,268.38x = 21,403.17 × 3,880.13
  4. Step 4: Simplify right side
    14,268.38x = 83,046,975.00
  5. Step 5: Solve for x
    x = 83,046,975.00/14,268.38
  6. Step 6: Final answer
    x = 5,820.35

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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.