Home / 13,018.44-19,512.84-5,517.32

Finding the Fourth Proportional to 13,018.44, 19,512.84 and 5,517.32

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Solution

The fourth proportional to 13,018.44, 19,512.84 and 5,517.32 is: 8,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.44 : 19,512.84 = 5,517.32 : x
  2. Step 2: Convert to fraction form
    13,018.44/19,512.84 = 5,517.32/x
  3. Step 3: Cross multiply
    13,018.44x = 19,512.84 × 5,517.32
  4. Step 4: Simplify right side
    13,018.44x = 107,658,582.39
  5. Step 5: Solve for x
    x = 107,658,582.39/13,018.44
  6. Step 6: Final answer
    x = 8,269.70

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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.