Home / 18,850.05-26,016.93-10,891.22

Finding the Fourth Proportional to 18,850.05, 26,016.93 and 10,891.22

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Solution

The fourth proportional to 18,850.05, 26,016.93 and 10,891.22 is: 15,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.05 : 26,016.93 = 10,891.22 : x
  2. Step 2: Convert to fraction form
    18,850.05/26,016.93 = 10,891.22/x
  3. Step 3: Cross multiply
    18,850.05x = 26,016.93 × 10,891.22
  4. Step 4: Simplify right side
    18,850.05x = 283,355,978.27
  5. Step 5: Solve for x
    x = 283,355,978.27/18,850.05
  6. Step 6: Final answer
    x = 15,032.11

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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.