Home / 19,368.29-29,049.09-5,136.87

Finding the Fourth Proportional to 19,368.29, 29,049.09 and 5,136.87

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Solution

The fourth proportional to 19,368.29, 29,049.09 and 5,136.87 is: 7,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.29 : 29,049.09 = 5,136.87 : x
  2. Step 2: Convert to fraction form
    19,368.29/29,049.09 = 5,136.87/x
  3. Step 3: Cross multiply
    19,368.29x = 29,049.09 × 5,136.87
  4. Step 4: Simplify right side
    19,368.29x = 149,221,398.95
  5. Step 5: Solve for x
    x = 149,221,398.95/19,368.29
  6. Step 6: Final answer
    x = 7,704.42

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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.