Home / 13,872.24-19,136.88-10,089.54

Finding the Fourth Proportional to 13,872.24, 19,136.88 and 10,089.54

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Solution

The fourth proportional to 13,872.24, 19,136.88 and 10,089.54 is: 13,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.24 : 19,136.88 = 10,089.54 : x
  2. Step 2: Convert to fraction form
    13,872.24/19,136.88 = 10,089.54/x
  3. Step 3: Cross multiply
    13,872.24x = 19,136.88 × 10,089.54
  4. Step 4: Simplify right side
    13,872.24x = 193,082,316.24
  5. Step 5: Solve for x
    x = 193,082,316.24/13,872.24
  6. Step 6: Final answer
    x = 13,918.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.