Home / 21,048.46-31,571.98-6,257.45

Finding the Fourth Proportional to 21,048.46, 31,571.98 and 6,257.45

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Solution

The fourth proportional to 21,048.46, 31,571.98 and 6,257.45 is: 9,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.46 : 31,571.98 = 6,257.45 : x
  2. Step 2: Convert to fraction form
    21,048.46/31,571.98 = 6,257.45/x
  3. Step 3: Cross multiply
    21,048.46x = 31,571.98 × 6,257.45
  4. Step 4: Simplify right side
    21,048.46x = 197,560,149.54
  5. Step 5: Solve for x
    x = 197,560,149.54/21,048.46
  6. Step 6: Final answer
    x = 9,385.97

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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.