Home / 19,268.69-28,895.74-8,180.60

Finding the Fourth Proportional to 19,268.69, 28,895.74 and 8,180.60

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Solution

The fourth proportional to 19,268.69, 28,895.74 and 8,180.60 is: 12,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.69 : 28,895.74 = 8,180.60 : x
  2. Step 2: Convert to fraction form
    19,268.69/28,895.74 = 8,180.60/x
  3. Step 3: Cross multiply
    19,268.69x = 28,895.74 × 8,180.60
  4. Step 4: Simplify right side
    19,268.69x = 236,384,325.71
  5. Step 5: Solve for x
    x = 236,384,325.71/19,268.69
  6. Step 6: Final answer
    x = 12,267.80

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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.