Home / 18,851.05-26,018.31-10,892.22

Finding the Fourth Proportional to 18,851.05, 26,018.31 and 10,892.22

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Solution

The fourth proportional to 18,851.05, 26,018.31 and 10,892.22 is: 15,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.05 : 26,018.31 = 10,892.22 : x
  2. Step 2: Convert to fraction form
    18,851.05/26,018.31 = 10,892.22/x
  3. Step 3: Cross multiply
    18,851.05x = 26,018.31 × 10,892.22
  4. Step 4: Simplify right side
    18,851.05x = 283,397,156.55
  5. Step 5: Solve for x
    x = 283,397,156.55/18,851.05
  6. Step 6: Final answer
    x = 15,033.49

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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.