Home / 11,639.22-17,488.02-10,939.38

Finding the Fourth Proportional to 11,639.22, 17,488.02 and 10,939.38

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Solution

The fourth proportional to 11,639.22, 17,488.02 and 10,939.38 is: 16,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.22 : 17,488.02 = 10,939.38 : x
  2. Step 2: Convert to fraction form
    11,639.22/17,488.02 = 10,939.38/x
  3. Step 3: Cross multiply
    11,639.22x = 17,488.02 × 10,939.38
  4. Step 4: Simplify right side
    11,639.22x = 191,308,096.23
  5. Step 5: Solve for x
    x = 191,308,096.23/11,639.22
  6. Step 6: Final answer
    x = 16,436.50

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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.