Home / 12,904.50-19,323.94-11,821.93

Finding the Fourth Proportional to 12,904.50, 19,323.94 and 11,821.93

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Solution

The fourth proportional to 12,904.50, 19,323.94 and 11,821.93 is: 17,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.50 : 19,323.94 = 11,821.93 : x
  2. Step 2: Convert to fraction form
    12,904.50/19,323.94 = 11,821.93/x
  3. Step 3: Cross multiply
    12,904.50x = 19,323.94 × 11,821.93
  4. Step 4: Simplify right side
    12,904.50x = 228,446,266.00
  5. Step 5: Solve for x
    x = 228,446,266.00/12,904.50
  6. Step 6: Final answer
    x = 17,702.84

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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.