Home / 19,692.86-27,175.47-11,730.95

Finding the Fourth Proportional to 19,692.86, 27,175.47 and 11,730.95

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Solution

The fourth proportional to 19,692.86, 27,175.47 and 11,730.95 is: 16,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.86 : 27,175.47 = 11,730.95 : x
  2. Step 2: Convert to fraction form
    19,692.86/27,175.47 = 11,730.95/x
  3. Step 3: Cross multiply
    19,692.86x = 27,175.47 × 11,730.95
  4. Step 4: Simplify right side
    19,692.86x = 318,794,079.80
  5. Step 5: Solve for x
    x = 318,794,079.80/19,692.86
  6. Step 6: Final answer
    x = 16,188.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.