Home / 19,972.63-27,561.82-11,019.59

Finding the Fourth Proportional to 19,972.63, 27,561.82 and 11,019.59

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Solution

The fourth proportional to 19,972.63, 27,561.82 and 11,019.59 is: 15,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.63 : 27,561.82 = 11,019.59 : x
  2. Step 2: Convert to fraction form
    19,972.63/27,561.82 = 11,019.59/x
  3. Step 3: Cross multiply
    19,972.63x = 27,561.82 × 11,019.59
  4. Step 4: Simplify right side
    19,972.63x = 303,720,069.75
  5. Step 5: Solve for x
    x = 303,720,069.75/19,972.63
  6. Step 6: Final answer
    x = 15,206.82

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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.