Home / 15,643.80-23,467.74-5,110.14

Finding the Fourth Proportional to 15,643.80, 23,467.74 and 5,110.14

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Solution

The fourth proportional to 15,643.80, 23,467.74 and 5,110.14 is: 7,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.80 : 23,467.74 = 5,110.14 : x
  2. Step 2: Convert to fraction form
    15,643.80/23,467.74 = 5,110.14/x
  3. Step 3: Cross multiply
    15,643.80x = 23,467.74 × 5,110.14
  4. Step 4: Simplify right side
    15,643.80x = 119,923,436.88
  5. Step 5: Solve for x
    x = 119,923,436.88/15,643.80
  6. Step 6: Final answer
    x = 7,665.88

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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.