Home / 13,136.73-19,700.87-4,369.29

Finding the Fourth Proportional to 13,136.73, 19,700.87 and 4,369.29

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Solution

The fourth proportional to 13,136.73, 19,700.87 and 4,369.29 is: 6,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.73 : 19,700.87 = 4,369.29 : x
  2. Step 2: Convert to fraction form
    13,136.73/19,700.87 = 4,369.29/x
  3. Step 3: Cross multiply
    13,136.73x = 19,700.87 × 4,369.29
  4. Step 4: Simplify right side
    13,136.73x = 86,078,792.44
  5. Step 5: Solve for x
    x = 86,078,792.44/13,136.73
  6. Step 6: Final answer
    x = 6,552.53

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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.