Home / 14,268.84-21,404.70-5,381.94

Finding the Fourth Proportional to 14,268.84, 21,404.70 and 5,381.94

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Solution

The fourth proportional to 14,268.84, 21,404.70 and 5,381.94 is: 8,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.84 : 21,404.70 = 5,381.94 : x
  2. Step 2: Convert to fraction form
    14,268.84/21,404.70 = 5,381.94/x
  3. Step 3: Cross multiply
    14,268.84x = 21,404.70 × 5,381.94
  4. Step 4: Simplify right side
    14,268.84x = 115,198,811.12
  5. Step 5: Solve for x
    x = 115,198,811.12/14,268.84
  6. Step 6: Final answer
    x = 8,073.45

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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.