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Finding the Fourth Proportional to 13,193.52, 19,832.04 and 7,361.52

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Solution

The fourth proportional to 13,193.52, 19,832.04 and 7,361.52 is: 11,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.52 : 19,832.04 = 7,361.52 : x
  2. Step 2: Convert to fraction form
    13,193.52/19,832.04 = 7,361.52/x
  3. Step 3: Cross multiply
    13,193.52x = 19,832.04 × 7,361.52
  4. Step 4: Simplify right side
    13,193.52x = 145,993,959.10
  5. Step 5: Solve for x
    x = 145,993,959.10/13,193.52
  6. Step 6: Final answer
    x = 11,065.58

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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.