Home / 18,464.95-27,690.94-5,313.79

Finding the Fourth Proportional to 18,464.95, 27,690.94 and 5,313.79

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Solution

The fourth proportional to 18,464.95, 27,690.94 and 5,313.79 is: 7,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.95 : 27,690.94 = 5,313.79 : x
  2. Step 2: Convert to fraction form
    18,464.95/27,690.94 = 5,313.79/x
  3. Step 3: Cross multiply
    18,464.95x = 27,690.94 × 5,313.79
  4. Step 4: Simplify right side
    18,464.95x = 147,143,840.06
  5. Step 5: Solve for x
    x = 147,143,840.06/18,464.95
  6. Step 6: Final answer
    x = 7,968.82

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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.