Home / 14,268.63-21,403.01-3,880.38

Finding the Fourth Proportional to 14,268.63, 21,403.01 and 3,880.38

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Solution

The fourth proportional to 14,268.63, 21,403.01 and 3,880.38 is: 5,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.63 : 21,403.01 = 3,880.38 : x
  2. Step 2: Convert to fraction form
    14,268.63/21,403.01 = 3,880.38/x
  3. Step 3: Cross multiply
    14,268.63x = 21,403.01 × 3,880.38
  4. Step 4: Simplify right side
    14,268.63x = 83,051,811.94
  5. Step 5: Solve for x
    x = 83,051,811.94/14,268.63
  6. Step 6: Final answer
    x = 5,820.59

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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.