Home / 18,944.57-26,145.26-10,879.34

Finding the Fourth Proportional to 18,944.57, 26,145.26 and 10,879.34

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Solution

The fourth proportional to 18,944.57, 26,145.26 and 10,879.34 is: 15,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.57 : 26,145.26 = 10,879.34 : x
  2. Step 2: Convert to fraction form
    18,944.57/26,145.26 = 10,879.34/x
  3. Step 3: Cross multiply
    18,944.57x = 26,145.26 × 10,879.34
  4. Step 4: Simplify right side
    18,944.57x = 284,443,290.29
  5. Step 5: Solve for x
    x = 284,443,290.29/18,944.57
  6. Step 6: Final answer
    x = 15,014.50

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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.