Home / 13,136.04-19,711.92-5,237.16

Finding the Fourth Proportional to 13,136.04, 19,711.92 and 5,237.16

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Solution

The fourth proportional to 13,136.04, 19,711.92 and 5,237.16 is: 7,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.04 : 19,711.92 = 5,237.16 : x
  2. Step 2: Convert to fraction form
    13,136.04/19,711.92 = 5,237.16/x
  3. Step 3: Cross multiply
    13,136.04x = 19,711.92 × 5,237.16
  4. Step 4: Simplify right side
    13,136.04x = 103,234,478.95
  5. Step 5: Solve for x
    x = 103,234,478.95/13,136.04
  6. Step 6: Final answer
    x = 7,858.87

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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.