Home / 19,490.06-29,236.80-5,450.24

Finding the Fourth Proportional to 19,490.06, 29,236.80 and 5,450.24

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Solution

The fourth proportional to 19,490.06, 29,236.80 and 5,450.24 is: 8,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.06 : 29,236.80 = 5,450.24 : x
  2. Step 2: Convert to fraction form
    19,490.06/29,236.80 = 5,450.24/x
  3. Step 3: Cross multiply
    19,490.06x = 29,236.80 × 5,450.24
  4. Step 4: Simplify right side
    19,490.06x = 159,347,576.83
  5. Step 5: Solve for x
    x = 159,347,576.83/19,490.06
  6. Step 6: Final answer
    x = 8,175.84

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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.