Home / 10,137.62-15,208.32-3,897.38

Finding the Fourth Proportional to 10,137.62, 15,208.32 and 3,897.38

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Solution

The fourth proportional to 10,137.62, 15,208.32 and 3,897.38 is: 5,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.62 : 15,208.32 = 3,897.38 : x
  2. Step 2: Convert to fraction form
    10,137.62/15,208.32 = 3,897.38/x
  3. Step 3: Cross multiply
    10,137.62x = 15,208.32 × 3,897.38
  4. Step 4: Simplify right side
    10,137.62x = 59,272,602.20
  5. Step 5: Solve for x
    x = 59,272,602.20/10,137.62
  6. Step 6: Final answer
    x = 5,846.80

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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.