Home / 19,965.06-29,907.50-9,939.60

Finding the Fourth Proportional to 19,965.06, 29,907.50 and 9,939.60

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Solution

The fourth proportional to 19,965.06, 29,907.50 and 9,939.60 is: 14,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.06 : 29,907.50 = 9,939.60 : x
  2. Step 2: Convert to fraction form
    19,965.06/29,907.50 = 9,939.60/x
  3. Step 3: Cross multiply
    19,965.06x = 29,907.50 × 9,939.60
  4. Step 4: Simplify right side
    19,965.06x = 297,268,537.30
  5. Step 5: Solve for x
    x = 297,268,537.30/19,965.06
  6. Step 6: Final answer
    x = 14,889.44

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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.