Home / 19,164.20-28,747.10-6,685.47

Finding the Fourth Proportional to 19,164.20, 28,747.10 and 6,685.47

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Solution

The fourth proportional to 19,164.20, 28,747.10 and 6,685.47 is: 10,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.20 : 28,747.10 = 6,685.47 : x
  2. Step 2: Convert to fraction form
    19,164.20/28,747.10 = 6,685.47/x
  3. Step 3: Cross multiply
    19,164.20x = 28,747.10 × 6,685.47
  4. Step 4: Simplify right side
    19,164.20x = 192,187,891.35
  5. Step 5: Solve for x
    x = 192,187,891.35/19,164.20
  6. Step 6: Final answer
    x = 10,028.49

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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.