Home / 13,467.98-18,583.62-7,803.24

Finding the Fourth Proportional to 13,467.98, 18,583.62 and 7,803.24

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Solution

The fourth proportional to 13,467.98, 18,583.62 and 7,803.24 is: 10,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.98 : 18,583.62 = 7,803.24 : x
  2. Step 2: Convert to fraction form
    13,467.98/18,583.62 = 7,803.24/x
  3. Step 3: Cross multiply
    13,467.98x = 18,583.62 × 7,803.24
  4. Step 4: Simplify right side
    13,467.98x = 145,012,446.93
  5. Step 5: Solve for x
    x = 145,012,446.93/13,467.98
  6. Step 6: Final answer
    x = 10,767.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.