Home / 12,845.23-17,705.23-8,594.78

Finding the Fourth Proportional to 12,845.23, 17,705.23 and 8,594.78

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Solution

The fourth proportional to 12,845.23, 17,705.23 and 8,594.78 is: 11,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.23 : 17,705.23 = 8,594.78 : x
  2. Step 2: Convert to fraction form
    12,845.23/17,705.23 = 8,594.78/x
  3. Step 3: Cross multiply
    12,845.23x = 17,705.23 × 8,594.78
  4. Step 4: Simplify right side
    12,845.23x = 152,172,556.70
  5. Step 5: Solve for x
    x = 152,172,556.70/12,845.23
  6. Step 6: Final answer
    x = 11,846.62

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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.