Home / 13,160.27-19,739.79-4,839.68

Finding the Fourth Proportional to 13,160.27, 19,739.79 and 4,839.68

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Solution

The fourth proportional to 13,160.27, 19,739.79 and 4,839.68 is: 7,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.27 : 19,739.79 = 4,839.68 : x
  2. Step 2: Convert to fraction form
    13,160.27/19,739.79 = 4,839.68/x
  3. Step 3: Cross multiply
    13,160.27x = 19,739.79 × 4,839.68
  4. Step 4: Simplify right side
    13,160.27x = 95,534,168.17
  5. Step 5: Solve for x
    x = 95,534,168.17/13,160.27
  6. Step 6: Final answer
    x = 7,259.29

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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.