Home / 19,134.64-28,708.44-8,603.56

Finding the Fourth Proportional to 19,134.64, 28,708.44 and 8,603.56

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Solution

The fourth proportional to 19,134.64, 28,708.44 and 8,603.56 is: 12,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.64 : 28,708.44 = 8,603.56 : x
  2. Step 2: Convert to fraction form
    19,134.64/28,708.44 = 8,603.56/x
  3. Step 3: Cross multiply
    19,134.64x = 28,708.44 × 8,603.56
  4. Step 4: Simplify right side
    19,134.64x = 246,994,786.05
  5. Step 5: Solve for x
    x = 246,994,786.05/19,134.64
  6. Step 6: Final answer
    x = 12,908.25

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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.