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Finding the Fourth Proportional to 12,394.93, 18,573.93 and 6,849.86

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Solution

The fourth proportional to 12,394.93, 18,573.93 and 6,849.86 is: 10,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.93 : 18,573.93 = 6,849.86 : x
  2. Step 2: Convert to fraction form
    12,394.93/18,573.93 = 6,849.86/x
  3. Step 3: Cross multiply
    12,394.93x = 18,573.93 × 6,849.86
  4. Step 4: Simplify right side
    12,394.93x = 127,228,796.93
  5. Step 5: Solve for x
    x = 127,228,796.93/12,394.93
  6. Step 6: Final answer
    x = 10,264.59

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1.5x scale

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.