Home / 17,919.54-26,879.37-5,439.67

Finding the Fourth Proportional to 17,919.54, 26,879.37 and 5,439.67

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Solution

The fourth proportional to 17,919.54, 26,879.37 and 5,439.67 is: 8,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.54 : 26,879.37 = 5,439.67 : x
  2. Step 2: Convert to fraction form
    17,919.54/26,879.37 = 5,439.67/x
  3. Step 3: Cross multiply
    17,919.54x = 26,879.37 × 5,439.67
  4. Step 4: Simplify right side
    17,919.54x = 146,214,902.61
  5. Step 5: Solve for x
    x = 146,214,902.61/17,919.54
  6. Step 6: Final answer
    x = 8,159.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.