Home / 11,984.45-16,530.35-7,893.95

Finding the Fourth Proportional to 11,984.45, 16,530.35 and 7,893.95

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Solution

The fourth proportional to 11,984.45, 16,530.35 and 7,893.95 is: 10,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.45 : 16,530.35 = 7,893.95 : x
  2. Step 2: Convert to fraction form
    11,984.45/16,530.35 = 7,893.95/x
  3. Step 3: Cross multiply
    11,984.45x = 16,530.35 × 7,893.95
  4. Step 4: Simplify right side
    11,984.45x = 130,489,634.26
  5. Step 5: Solve for x
    x = 130,489,634.26/11,984.45
  6. Step 6: Final answer
    x = 10,888.25

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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.