Home / 21,495.85-29,662.82-11,935.24

Finding the Fourth Proportional to 21,495.85, 29,662.82 and 11,935.24

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Solution

The fourth proportional to 21,495.85, 29,662.82 and 11,935.24 is: 16,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.85 : 29,662.82 = 11,935.24 : x
  2. Step 2: Convert to fraction form
    21,495.85/29,662.82 = 11,935.24/x
  3. Step 3: Cross multiply
    21,495.85x = 29,662.82 × 11,935.24
  4. Step 4: Simplify right side
    21,495.85x = 354,032,727.46
  5. Step 5: Solve for x
    x = 354,032,727.46/21,495.85
  6. Step 6: Final answer
    x = 16,469.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.