Home / 14,299.88-19,736.64-8,635.56

Finding the Fourth Proportional to 14,299.88, 19,736.64 and 8,635.56

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Solution

The fourth proportional to 14,299.88, 19,736.64 and 8,635.56 is: 11,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.88 : 19,736.64 = 8,635.56 : x
  2. Step 2: Convert to fraction form
    14,299.88/19,736.64 = 8,635.56/x
  3. Step 3: Cross multiply
    14,299.88x = 19,736.64 × 8,635.56
  4. Step 4: Simplify right side
    14,299.88x = 170,436,938.92
  5. Step 5: Solve for x
    x = 170,436,938.92/14,299.88
  6. Step 6: Final answer
    x = 11,918.77

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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.