Home / 19,490.82-29,236.43-5,450.88

Finding the Fourth Proportional to 19,490.82, 29,236.43 and 5,450.88

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Solution

The fourth proportional to 19,490.82, 29,236.43 and 5,450.88 is: 8,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.82 : 29,236.43 = 5,450.88 : x
  2. Step 2: Convert to fraction form
    19,490.82/29,236.43 = 5,450.88/x
  3. Step 3: Cross multiply
    19,490.82x = 29,236.43 × 5,450.88
  4. Step 4: Simplify right side
    19,490.82x = 159,364,271.56
  5. Step 5: Solve for x
    x = 159,364,271.56/19,490.82
  6. Step 6: Final answer
    x = 8,176.38

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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.