Home / 12,655.01-18,983.73-3,892.43

Finding the Fourth Proportional to 12,655.01, 18,983.73 and 3,892.43

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Solution

The fourth proportional to 12,655.01, 18,983.73 and 3,892.43 is: 5,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.01 : 18,983.73 = 3,892.43 : x
  2. Step 2: Convert to fraction form
    12,655.01/18,983.73 = 3,892.43/x
  3. Step 3: Cross multiply
    12,655.01x = 18,983.73 × 3,892.43
  4. Step 4: Simplify right side
    12,655.01x = 73,892,840.16
  5. Step 5: Solve for x
    x = 73,892,840.16/12,655.01
  6. Step 6: Final answer
    x = 5,839.02

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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.