Home / 19,071.04-28,583.52-8,104

Finding the Fourth Proportional to 19,071.04, 28,583.52 and 8,104

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Solution

The fourth proportional to 19,071.04, 28,583.52 and 8,104 is: 12,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.04 : 28,583.52 = 8,104 : x
  2. Step 2: Convert to fraction form
    19,071.04/28,583.52 = 8,104/x
  3. Step 3: Cross multiply
    19,071.04x = 28,583.52 × 8,104
  4. Step 4: Simplify right side
    19,071.04x = 231,640,846.08
  5. Step 5: Solve for x
    x = 231,640,846.08/19,071.04
  6. Step 6: Final answer
    x = 12,146.21

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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.