Home / 12,470.82-18,707.04-4,679.84

Finding the Fourth Proportional to 12,470.82, 18,707.04 and 4,679.84

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Solution

The fourth proportional to 12,470.82, 18,707.04 and 4,679.84 is: 7,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.82 : 18,707.04 = 4,679.84 : x
  2. Step 2: Convert to fraction form
    12,470.82/18,707.04 = 4,679.84/x
  3. Step 3: Cross multiply
    12,470.82x = 18,707.04 × 4,679.84
  4. Step 4: Simplify right side
    12,470.82x = 87,545,860.54
  5. Step 5: Solve for x
    x = 87,545,860.54/12,470.82
  6. Step 6: Final answer
    x = 7,020.06

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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.