Home / 12,764.44-19,127.10-8,589

Finding the Fourth Proportional to 12,764.44, 19,127.10 and 8,589

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Solution

The fourth proportional to 12,764.44, 19,127.10 and 8,589 is: 12,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.44 : 19,127.10 = 8,589 : x
  2. Step 2: Convert to fraction form
    12,764.44/19,127.10 = 8,589/x
  3. Step 3: Cross multiply
    12,764.44x = 19,127.10 × 8,589
  4. Step 4: Simplify right side
    12,764.44x = 164,282,661.90
  5. Step 5: Solve for x
    x = 164,282,661.90/12,764.44
  6. Step 6: Final answer
    x = 12,870.34

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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.