Home / 19,136.17-28,709.70-7,452.73

Finding the Fourth Proportional to 19,136.17, 28,709.70 and 7,452.73

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Solution

The fourth proportional to 19,136.17, 28,709.70 and 7,452.73 is: 11,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.17 : 28,709.70 = 7,452.73 : x
  2. Step 2: Convert to fraction form
    19,136.17/28,709.70 = 7,452.73/x
  3. Step 3: Cross multiply
    19,136.17x = 28,709.70 × 7,452.73
  4. Step 4: Simplify right side
    19,136.17x = 213,965,642.48
  5. Step 5: Solve for x
    x = 213,965,642.48/19,136.17
  6. Step 6: Final answer
    x = 11,181.22

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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.