Home / 21,052.36-31,573.14-6,257.44

Finding the Fourth Proportional to 21,052.36, 31,573.14 and 6,257.44

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Solution

The fourth proportional to 21,052.36, 31,573.14 and 6,257.44 is: 9,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.36 : 31,573.14 = 6,257.44 : x
  2. Step 2: Convert to fraction form
    21,052.36/31,573.14 = 6,257.44/x
  3. Step 3: Cross multiply
    21,052.36x = 31,573.14 × 6,257.44
  4. Step 4: Simplify right side
    21,052.36x = 197,567,029.16
  5. Step 5: Solve for x
    x = 197,567,029.16/21,052.36
  6. Step 6: Final answer
    x = 9,384.55

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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.