Home / 13,027.81-19,541.72-9,149.53

Finding the Fourth Proportional to 13,027.81, 19,541.72 and 9,149.53

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Solution

The fourth proportional to 13,027.81, 19,541.72 and 9,149.53 is: 13,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.81 : 19,541.72 = 9,149.53 : x
  2. Step 2: Convert to fraction form
    13,027.81/19,541.72 = 9,149.53/x
  3. Step 3: Cross multiply
    13,027.81x = 19,541.72 × 9,149.53
  4. Step 4: Simplify right side
    13,027.81x = 178,797,409.94
  5. Step 5: Solve for x
    x = 178,797,409.94/13,027.81
  6. Step 6: Final answer
    x = 13,724.29

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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.