Home / 14,195.38-19,589.43-7,907.80

Finding the Fourth Proportional to 14,195.38, 19,589.43 and 7,907.80

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Solution

The fourth proportional to 14,195.38, 19,589.43 and 7,907.80 is: 10,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.38 : 19,589.43 = 7,907.80 : x
  2. Step 2: Convert to fraction form
    14,195.38/19,589.43 = 7,907.80/x
  3. Step 3: Cross multiply
    14,195.38x = 19,589.43 × 7,907.80
  4. Step 4: Simplify right side
    14,195.38x = 154,909,294.55
  5. Step 5: Solve for x
    x = 154,909,294.55/14,195.38
  6. Step 6: Final answer
    x = 10,912.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.