Home / 17,186.04-25,787.84-8,190.32

Finding the Fourth Proportional to 17,186.04, 25,787.84 and 8,190.32

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Solution

The fourth proportional to 17,186.04, 25,787.84 and 8,190.32 is: 12,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.04 : 25,787.84 = 8,190.32 : x
  2. Step 2: Convert to fraction form
    17,186.04/25,787.84 = 8,190.32/x
  3. Step 3: Cross multiply
    17,186.04x = 25,787.84 × 8,190.32
  4. Step 4: Simplify right side
    17,186.04x = 211,210,491.82
  5. Step 5: Solve for x
    x = 211,210,491.82/17,186.04
  6. Step 6: Final answer
    x = 12,289.65

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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.