Home / 19,151.82-28,745.51-9,798.54

Finding the Fourth Proportional to 19,151.82, 28,745.51 and 9,798.54

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Solution

The fourth proportional to 19,151.82, 28,745.51 and 9,798.54 is: 14,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.82 : 28,745.51 = 9,798.54 : x
  2. Step 2: Convert to fraction form
    19,151.82/28,745.51 = 9,798.54/x
  3. Step 3: Cross multiply
    19,151.82x = 28,745.51 × 9,798.54
  4. Step 4: Simplify right side
    19,151.82x = 281,663,872.77
  5. Step 5: Solve for x
    x = 281,663,872.77/19,151.82
  6. Step 6: Final answer
    x = 14,706.90

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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.