Home / 12,702.57-19,054.67-4,911.27

Finding the Fourth Proportional to 12,702.57, 19,054.67 and 4,911.27

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Solution

The fourth proportional to 12,702.57, 19,054.67 and 4,911.27 is: 7,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.57 : 19,054.67 = 4,911.27 : x
  2. Step 2: Convert to fraction form
    12,702.57/19,054.67 = 4,911.27/x
  3. Step 3: Cross multiply
    12,702.57x = 19,054.67 × 4,911.27
  4. Step 4: Simplify right side
    12,702.57x = 93,582,604.57
  5. Step 5: Solve for x
    x = 93,582,604.57/12,702.57
  6. Step 6: Final answer
    x = 7,367.22

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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.