Home / 19,629.68-27,089.68-11,247.80

Finding the Fourth Proportional to 19,629.68, 27,089.68 and 11,247.80

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Solution

The fourth proportional to 19,629.68, 27,089.68 and 11,247.80 is: 15,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.68 : 27,089.68 = 11,247.80 : x
  2. Step 2: Convert to fraction form
    19,629.68/27,089.68 = 11,247.80/x
  3. Step 3: Cross multiply
    19,629.68x = 27,089.68 × 11,247.80
  4. Step 4: Simplify right side
    19,629.68x = 304,699,302.70
  5. Step 5: Solve for x
    x = 304,699,302.70/19,629.68
  6. Step 6: Final answer
    x = 15,522.38

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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.