Home / 10,698.21-16,047.59-2,907.09

Finding the Fourth Proportional to 10,698.21, 16,047.59 and 2,907.09

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Solution

The fourth proportional to 10,698.21, 16,047.59 and 2,907.09 is: 4,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.21 : 16,047.59 = 2,907.09 : x
  2. Step 2: Convert to fraction form
    10,698.21/16,047.59 = 2,907.09/x
  3. Step 3: Cross multiply
    10,698.21x = 16,047.59 × 2,907.09
  4. Step 4: Simplify right side
    10,698.21x = 46,651,773.88
  5. Step 5: Solve for x
    x = 46,651,773.88/10,698.21
  6. Step 6: Final answer
    x = 4,360.71

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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.