Home / 14,278.24-21,414.78-3,887.56

Finding the Fourth Proportional to 14,278.24, 21,414.78 and 3,887.56

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Solution

The fourth proportional to 14,278.24, 21,414.78 and 3,887.56 is: 5,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.24 : 21,414.78 = 3,887.56 : x
  2. Step 2: Convert to fraction form
    14,278.24/21,414.78 = 3,887.56/x
  3. Step 3: Cross multiply
    14,278.24x = 21,414.78 × 3,887.56
  4. Step 4: Simplify right side
    14,278.24x = 83,251,242.14
  5. Step 5: Solve for x
    x = 83,251,242.14/14,278.24
  6. Step 6: Final answer
    x = 5,830.64

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1.5x scale

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.