Home / 19,049.36-28,578.60-7,949.89

Finding the Fourth Proportional to 19,049.36, 28,578.60 and 7,949.89

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Solution

The fourth proportional to 19,049.36, 28,578.60 and 7,949.89 is: 11,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.36 : 28,578.60 = 7,949.89 : x
  2. Step 2: Convert to fraction form
    19,049.36/28,578.60 = 7,949.89/x
  3. Step 3: Cross multiply
    19,049.36x = 28,578.60 × 7,949.89
  4. Step 4: Simplify right side
    19,049.36x = 227,196,726.35
  5. Step 5: Solve for x
    x = 227,196,726.35/19,049.36
  6. Step 6: Final answer
    x = 11,926.74

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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.