Home / 22,865.36-31,556.10-12,794.73

Finding the Fourth Proportional to 22,865.36, 31,556.10 and 12,794.73

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Solution

The fourth proportional to 22,865.36, 31,556.10 and 12,794.73 is: 17,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.36 : 31,556.10 = 12,794.73 : x
  2. Step 2: Convert to fraction form
    22,865.36/31,556.10 = 12,794.73/x
  3. Step 3: Cross multiply
    22,865.36x = 31,556.10 × 12,794.73
  4. Step 4: Simplify right side
    22,865.36x = 403,751,779.35
  5. Step 5: Solve for x
    x = 403,751,779.35/22,865.36
  6. Step 6: Final answer
    x = 17,657.80

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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.