Home / 14,616.21-21,921.48-3,942.57

Finding the Fourth Proportional to 14,616.21, 21,921.48 and 3,942.57

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Solution

The fourth proportional to 14,616.21, 21,921.48 and 3,942.57 is: 5,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.21 : 21,921.48 = 3,942.57 : x
  2. Step 2: Convert to fraction form
    14,616.21/21,921.48 = 3,942.57/x
  3. Step 3: Cross multiply
    14,616.21x = 21,921.48 × 3,942.57
  4. Step 4: Simplify right side
    14,616.21x = 86,426,969.40
  5. Step 5: Solve for x
    x = 86,426,969.40/14,616.21
  6. Step 6: Final answer
    x = 5,913.09

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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.