Home / 19,971.50-27,560.62-11,018.97

Finding the Fourth Proportional to 19,971.50, 27,560.62 and 11,018.97

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Solution

The fourth proportional to 19,971.50, 27,560.62 and 11,018.97 is: 15,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.50 : 27,560.62 = 11,018.97 : x
  2. Step 2: Convert to fraction form
    19,971.50/27,560.62 = 11,018.97/x
  3. Step 3: Cross multiply
    19,971.50x = 27,560.62 × 11,018.97
  4. Step 4: Simplify right side
    19,971.50x = 303,689,644.96
  5. Step 5: Solve for x
    x = 303,689,644.96/19,971.50
  6. Step 6: Final answer
    x = 15,206.15

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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.