Home / 18,974.85-26,183.91-11,015.58

Finding the Fourth Proportional to 18,974.85, 26,183.91 and 11,015.58

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Solution

The fourth proportional to 18,974.85, 26,183.91 and 11,015.58 is: 15,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.85 : 26,183.91 = 11,015.58 : x
  2. Step 2: Convert to fraction form
    18,974.85/26,183.91 = 11,015.58/x
  3. Step 3: Cross multiply
    18,974.85x = 26,183.91 × 11,015.58
  4. Step 4: Simplify right side
    18,974.85x = 288,430,955.32
  5. Step 5: Solve for x
    x = 288,430,955.32/18,974.85
  6. Step 6: Final answer
    x = 15,200.70

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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.