Home / 17,073.12-25,611.84-5,384.64

Finding the Fourth Proportional to 17,073.12, 25,611.84 and 5,384.64

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Solution

The fourth proportional to 17,073.12, 25,611.84 and 5,384.64 is: 8,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.12 : 25,611.84 = 5,384.64 : x
  2. Step 2: Convert to fraction form
    17,073.12/25,611.84 = 5,384.64/x
  3. Step 3: Cross multiply
    17,073.12x = 25,611.84 × 5,384.64
  4. Step 4: Simplify right side
    17,073.12x = 137,910,538.14
  5. Step 5: Solve for x
    x = 137,910,538.14/17,073.12
  6. Step 6: Final answer
    x = 8,077.64

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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.