Home / 19,839.85-29,759.39-4,847.07

Finding the Fourth Proportional to 19,839.85, 29,759.39 and 4,847.07

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Solution

The fourth proportional to 19,839.85, 29,759.39 and 4,847.07 is: 7,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.85 : 29,759.39 = 4,847.07 : x
  2. Step 2: Convert to fraction form
    19,839.85/29,759.39 = 4,847.07/x
  3. Step 3: Cross multiply
    19,839.85x = 29,759.39 × 4,847.07
  4. Step 4: Simplify right side
    19,839.85x = 144,245,748.86
  5. Step 5: Solve for x
    x = 144,245,748.86/19,839.85
  6. Step 6: Final answer
    x = 7,270.51

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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.