Home / 15,515.20-23,273.70-4,422.70

Finding the Fourth Proportional to 15,515.20, 23,273.70 and 4,422.70

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Solution

The fourth proportional to 15,515.20, 23,273.70 and 4,422.70 is: 6,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.20 : 23,273.70 = 4,422.70 : x
  2. Step 2: Convert to fraction form
    15,515.20/23,273.70 = 4,422.70/x
  3. Step 3: Cross multiply
    15,515.20x = 23,273.70 × 4,422.70
  4. Step 4: Simplify right side
    15,515.20x = 102,932,592.99
  5. Step 5: Solve for x
    x = 102,932,592.99/15,515.20
  6. Step 6: Final answer
    x = 6,634.31

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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.