Home / 13,136.98-19,701.24-4,369.54

Finding the Fourth Proportional to 13,136.98, 19,701.24 and 4,369.54

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Solution

The fourth proportional to 13,136.98, 19,701.24 and 4,369.54 is: 6,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.98 : 19,701.24 = 4,369.54 : x
  2. Step 2: Convert to fraction form
    13,136.98/19,701.24 = 4,369.54/x
  3. Step 3: Cross multiply
    13,136.98x = 19,701.24 × 4,369.54
  4. Step 4: Simplify right side
    13,136.98x = 86,085,356.23
  5. Step 5: Solve for x
    x = 86,085,356.23/13,136.98
  6. Step 6: Final answer
    x = 6,552.90

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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.