Home / 19,491.24-29,231.67-5,450.40

Finding the Fourth Proportional to 19,491.24, 29,231.67 and 5,450.40

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Solution

The fourth proportional to 19,491.24, 29,231.67 and 5,450.40 is: 8,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.24 : 29,231.67 = 5,450.40 : x
  2. Step 2: Convert to fraction form
    19,491.24/29,231.67 = 5,450.40/x
  3. Step 3: Cross multiply
    19,491.24x = 29,231.67 × 5,450.40
  4. Step 4: Simplify right side
    19,491.24x = 159,324,294.17
  5. Step 5: Solve for x
    x = 159,324,294.17/19,491.24
  6. Step 6: Final answer
    x = 8,174.15

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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.