Home / 19,515.54-29,273.39-4,724.44

Finding the Fourth Proportional to 19,515.54, 29,273.39 and 4,724.44

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Solution

The fourth proportional to 19,515.54, 29,273.39 and 4,724.44 is: 7,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.54 : 29,273.39 = 4,724.44 : x
  2. Step 2: Convert to fraction form
    19,515.54/29,273.39 = 4,724.44/x
  3. Step 3: Cross multiply
    19,515.54x = 29,273.39 × 4,724.44
  4. Step 4: Simplify right side
    19,515.54x = 138,300,295.56
  5. Step 5: Solve for x
    x = 138,300,295.56/19,515.54
  6. Step 6: Final answer
    x = 7,086.67

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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.