Home / 19,136.17-28,687.24-7,446.66

Finding the Fourth Proportional to 19,136.17, 28,687.24 and 7,446.66

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Solution

The fourth proportional to 19,136.17, 28,687.24 and 7,446.66 is: 11,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.17 : 28,687.24 = 7,446.66 : x
  2. Step 2: Convert to fraction form
    19,136.17/28,687.24 = 7,446.66/x
  3. Step 3: Cross multiply
    19,136.17x = 28,687.24 × 7,446.66
  4. Step 4: Simplify right side
    19,136.17x = 213,624,122.62
  5. Step 5: Solve for x
    x = 213,624,122.62/19,136.17
  6. Step 6: Final answer
    x = 11,163.37

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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.