Home / 19,205.87-28,808.60-4,974.29

Finding the Fourth Proportional to 19,205.87, 28,808.60 and 4,974.29

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Solution

The fourth proportional to 19,205.87, 28,808.60 and 4,974.29 is: 7,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.87 : 28,808.60 = 4,974.29 : x
  2. Step 2: Convert to fraction form
    19,205.87/28,808.60 = 4,974.29/x
  3. Step 3: Cross multiply
    19,205.87x = 28,808.60 × 4,974.29
  4. Step 4: Simplify right side
    19,205.87x = 143,302,161.98
  5. Step 5: Solve for x
    x = 143,302,161.98/19,205.87
  6. Step 6: Final answer
    x = 7,461.37

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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.