Home / 19,515.89-26,932.01-11,018.38

Finding the Fourth Proportional to 19,515.89, 26,932.01 and 11,018.38

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Solution

The fourth proportional to 19,515.89, 26,932.01 and 11,018.38 is: 15,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.89 : 26,932.01 = 11,018.38 : x
  2. Step 2: Convert to fraction form
    19,515.89/26,932.01 = 11,018.38/x
  3. Step 3: Cross multiply
    19,515.89x = 26,932.01 × 11,018.38
  4. Step 4: Simplify right side
    19,515.89x = 296,746,997.92
  5. Step 5: Solve for x
    x = 296,746,997.92/19,515.89
  6. Step 6: Final answer
    x = 15,205.41

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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.