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Finding the Fourth Proportional to 18,882.16, 26,057.95 and 10,924.98

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Solution

The fourth proportional to 18,882.16, 26,057.95 and 10,924.98 is: 15,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.16 : 26,057.95 = 10,924.98 : x
  2. Step 2: Convert to fraction form
    18,882.16/26,057.95 = 10,924.98/x
  3. Step 3: Cross multiply
    18,882.16x = 26,057.95 × 10,924.98
  4. Step 4: Simplify right side
    18,882.16x = 284,682,519.01
  5. Step 5: Solve for x
    x = 284,682,519.01/18,882.16
  6. Step 6: Final answer
    x = 15,076.80

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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.