Home / 17,319.85-25,979.83-4,839.80

Finding the Fourth Proportional to 17,319.85, 25,979.83 and 4,839.80

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Solution

The fourth proportional to 17,319.85, 25,979.83 and 4,839.80 is: 7,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.85 : 25,979.83 = 4,839.80 : x
  2. Step 2: Convert to fraction form
    17,319.85/25,979.83 = 4,839.80/x
  3. Step 3: Cross multiply
    17,319.85x = 25,979.83 × 4,839.80
  4. Step 4: Simplify right side
    17,319.85x = 125,737,066.46
  5. Step 5: Solve for x
    x = 125,737,066.46/17,319.85
  6. Step 6: Final answer
    x = 7,259.71

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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.