Home / 13,754.30-20,621.33-4,388.93

Finding the Fourth Proportional to 13,754.30, 20,621.33 and 4,388.93

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Solution

The fourth proportional to 13,754.30, 20,621.33 and 4,388.93 is: 6,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.30 : 20,621.33 = 4,388.93 : x
  2. Step 2: Convert to fraction form
    13,754.30/20,621.33 = 4,388.93/x
  3. Step 3: Cross multiply
    13,754.30x = 20,621.33 × 4,388.93
  4. Step 4: Simplify right side
    13,754.30x = 90,505,573.88
  5. Step 5: Solve for x
    x = 90,505,573.88/13,754.30
  6. Step 6: Final answer
    x = 6,580.17

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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.