Home / 14,268.38-21,402.51-3,880.10

Finding the Fourth Proportional to 14,268.38, 21,402.51 and 3,880.10

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Solution

The fourth proportional to 14,268.38, 21,402.51 and 3,880.10 is: 5,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.38 : 21,402.51 = 3,880.10 : x
  2. Step 2: Convert to fraction form
    14,268.38/21,402.51 = 3,880.10/x
  3. Step 3: Cross multiply
    14,268.38x = 21,402.51 × 3,880.10
  4. Step 4: Simplify right side
    14,268.38x = 83,043,879.05
  5. Step 5: Solve for x
    x = 83,043,879.05/14,268.38
  6. Step 6: Final answer
    x = 5,820.13

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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.