Home / 12,464.12-18,703.07-6,620.51

Finding the Fourth Proportional to 12,464.12, 18,703.07 and 6,620.51

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Solution

The fourth proportional to 12,464.12, 18,703.07 and 6,620.51 is: 9,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.12 : 18,703.07 = 6,620.51 : x
  2. Step 2: Convert to fraction form
    12,464.12/18,703.07 = 6,620.51/x
  3. Step 3: Cross multiply
    12,464.12x = 18,703.07 × 6,620.51
  4. Step 4: Simplify right side
    12,464.12x = 123,823,861.97
  5. Step 5: Solve for x
    x = 123,823,861.97/12,464.12
  6. Step 6: Final answer
    x = 9,934.42

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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.