Home / 19,624.68-27,082.78-11,242.80

Finding the Fourth Proportional to 19,624.68, 27,082.78 and 11,242.80

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Solution

The fourth proportional to 19,624.68, 27,082.78 and 11,242.80 is: 15,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.68 : 27,082.78 = 11,242.80 : x
  2. Step 2: Convert to fraction form
    19,624.68/27,082.78 = 11,242.80/x
  3. Step 3: Cross multiply
    19,624.68x = 27,082.78 × 11,242.80
  4. Step 4: Simplify right side
    19,624.68x = 304,486,278.98
  5. Step 5: Solve for x
    x = 304,486,278.98/19,624.68
  6. Step 6: Final answer
    x = 15,515.48

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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.