Home / 10,897.63-16,346.44-2,689.63

Finding the Fourth Proportional to 10,897.63, 16,346.44 and 2,689.63

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Solution

The fourth proportional to 10,897.63, 16,346.44 and 2,689.63 is: 4,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.63 : 16,346.44 = 2,689.63 : x
  2. Step 2: Convert to fraction form
    10,897.63/16,346.44 = 2,689.63/x
  3. Step 3: Cross multiply
    10,897.63x = 16,346.44 × 2,689.63
  4. Step 4: Simplify right side
    10,897.63x = 43,965,786.96
  5. Step 5: Solve for x
    x = 43,965,786.96/10,897.63
  6. Step 6: Final answer
    x = 4,034.44

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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.