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Finding the Fourth Proportional to 19,193.95, 28,791.95 and 6,047.35

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Solution

The fourth proportional to 19,193.95, 28,791.95 and 6,047.35 is: 9,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.95 : 28,791.95 = 6,047.35 : x
  2. Step 2: Convert to fraction form
    19,193.95/28,791.95 = 6,047.35/x
  3. Step 3: Cross multiply
    19,193.95x = 28,791.95 × 6,047.35
  4. Step 4: Simplify right side
    19,193.95x = 174,114,998.83
  5. Step 5: Solve for x
    x = 174,114,998.83/19,193.95
  6. Step 6: Final answer
    x = 9,071.35

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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.