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Finding the Fourth Proportional to 13,202.82, 19,807.53 and 9,314.82

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Solution

The fourth proportional to 13,202.82, 19,807.53 and 9,314.82 is: 13,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.82 : 19,807.53 = 9,314.82 : x
  2. Step 2: Convert to fraction form
    13,202.82/19,807.53 = 9,314.82/x
  3. Step 3: Cross multiply
    13,202.82x = 19,807.53 × 9,314.82
  4. Step 4: Simplify right side
    13,202.82x = 184,503,576.59
  5. Step 5: Solve for x
    x = 184,503,576.59/13,202.82
  6. Step 6: Final answer
    x = 13,974.56

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1.5x scale

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.