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Finding the Fourth Proportional to 13,080.52, 19,622.16 and 4,315.48

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Solution

The fourth proportional to 13,080.52, 19,622.16 and 4,315.48 is: 6,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.52 : 19,622.16 = 4,315.48 : x
  2. Step 2: Convert to fraction form
    13,080.52/19,622.16 = 4,315.48/x
  3. Step 3: Cross multiply
    13,080.52x = 19,622.16 × 4,315.48
  4. Step 4: Simplify right side
    13,080.52x = 84,679,039.04
  5. Step 5: Solve for x
    x = 84,679,039.04/13,080.52
  6. Step 6: Final answer
    x = 6,473.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.