Home / 12,372.08-18,559.33-3,607.07

Finding the Fourth Proportional to 12,372.08, 18,559.33 and 3,607.07

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Solution

The fourth proportional to 12,372.08, 18,559.33 and 3,607.07 is: 5,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.08 : 18,559.33 = 3,607.07 : x
  2. Step 2: Convert to fraction form
    12,372.08/18,559.33 = 3,607.07/x
  3. Step 3: Cross multiply
    12,372.08x = 18,559.33 × 3,607.07
  4. Step 4: Simplify right side
    12,372.08x = 66,944,700.65
  5. Step 5: Solve for x
    x = 66,944,700.65/12,372.08
  6. Step 6: Final answer
    x = 5,410.95

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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.