Home / 13,252.44-19,881.18-4,485

Finding the Fourth Proportional to 13,252.44, 19,881.18 and 4,485

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Solution

The fourth proportional to 13,252.44, 19,881.18 and 4,485 is: 6,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.44 : 19,881.18 = 4,485 : x
  2. Step 2: Convert to fraction form
    13,252.44/19,881.18 = 4,485/x
  3. Step 3: Cross multiply
    13,252.44x = 19,881.18 × 4,485
  4. Step 4: Simplify right side
    13,252.44x = 89,167,092.30
  5. Step 5: Solve for x
    x = 89,167,092.30/13,252.44
  6. Step 6: Final answer
    x = 6,728.35

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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.