Home / 10,490.50-15,735.75-3,194.50

Finding the Fourth Proportional to 10,490.50, 15,735.75 and 3,194.50

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Solution

The fourth proportional to 10,490.50, 15,735.75 and 3,194.50 is: 4,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.50 : 15,735.75 = 3,194.50 : x
  2. Step 2: Convert to fraction form
    10,490.50/15,735.75 = 3,194.50/x
  3. Step 3: Cross multiply
    10,490.50x = 15,735.75 × 3,194.50
  4. Step 4: Simplify right side
    10,490.50x = 50,267,853.38
  5. Step 5: Solve for x
    x = 50,267,853.38/10,490.50
  6. Step 6: Final answer
    x = 4,791.75

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1.5x scale

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.