Home / 14,249.54-21,471.58-11,709.38

Finding the Fourth Proportional to 14,249.54, 21,471.58 and 11,709.38

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Solution

The fourth proportional to 14,249.54, 21,471.58 and 11,709.38 is: 17,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.54 : 21,471.58 = 11,709.38 : x
  2. Step 2: Convert to fraction form
    14,249.54/21,471.58 = 11,709.38/x
  3. Step 3: Cross multiply
    14,249.54x = 21,471.58 × 11,709.38
  4. Step 4: Simplify right side
    14,249.54x = 251,418,830.87
  5. Step 5: Solve for x
    x = 251,418,830.87/14,249.54
  6. Step 6: Final answer
    x = 17,644.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.