Home / 10,137.48-15,208.62-3,211.98

Finding the Fourth Proportional to 10,137.48, 15,208.62 and 3,211.98

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Solution

The fourth proportional to 10,137.48, 15,208.62 and 3,211.98 is: 4,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.48 : 15,208.62 = 3,211.98 : x
  2. Step 2: Convert to fraction form
    10,137.48/15,208.62 = 3,211.98/x
  3. Step 3: Cross multiply
    10,137.48x = 15,208.62 × 3,211.98
  4. Step 4: Simplify right side
    10,137.48x = 48,849,783.27
  5. Step 5: Solve for x
    x = 48,849,783.27/10,137.48
  6. Step 6: Final answer
    x = 4,818.73

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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.