Home / 17,665.92-26,474.27-13,278.24

Finding the Fourth Proportional to 17,665.92, 26,474.27 and 13,278.24

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Solution

The fourth proportional to 17,665.92, 26,474.27 and 13,278.24 is: 19,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.92 : 26,474.27 = 13,278.24 : x
  2. Step 2: Convert to fraction form
    17,665.92/26,474.27 = 13,278.24/x
  3. Step 3: Cross multiply
    17,665.92x = 26,474.27 × 13,278.24
  4. Step 4: Simplify right side
    17,665.92x = 351,531,644.49
  5. Step 5: Solve for x
    x = 351,531,644.49/17,665.92
  6. Step 6: Final answer
    x = 19,898.86

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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.