Home / 15,509.99-23,268.20-8,112.44

Finding the Fourth Proportional to 15,509.99, 23,268.20 and 8,112.44

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Solution

The fourth proportional to 15,509.99, 23,268.20 and 8,112.44 is: 12,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.99 : 23,268.20 = 8,112.44 : x
  2. Step 2: Convert to fraction form
    15,509.99/23,268.20 = 8,112.44/x
  3. Step 3: Cross multiply
    15,509.99x = 23,268.20 × 8,112.44
  4. Step 4: Simplify right side
    15,509.99x = 188,761,876.41
  5. Step 5: Solve for x
    x = 188,761,876.41/15,509.99
  6. Step 6: Final answer
    x = 12,170.34

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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.