Home / 13,556.82-18,702.75-8,840.94

Finding the Fourth Proportional to 13,556.82, 18,702.75 and 8,840.94

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Solution

The fourth proportional to 13,556.82, 18,702.75 and 8,840.94 is: 12,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.82 : 18,702.75 = 8,840.94 : x
  2. Step 2: Convert to fraction form
    13,556.82/18,702.75 = 8,840.94/x
  3. Step 3: Cross multiply
    13,556.82x = 18,702.75 × 8,840.94
  4. Step 4: Simplify right side
    13,556.82x = 165,349,890.59
  5. Step 5: Solve for x
    x = 165,349,890.59/13,556.82
  6. Step 6: Final answer
    x = 12,196.81

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1.5x scale

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.