Home / 12,095.49-18,104.36-8,178.33

Finding the Fourth Proportional to 12,095.49, 18,104.36 and 8,178.33

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Solution

The fourth proportional to 12,095.49, 18,104.36 and 8,178.33 is: 12,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.49 : 18,104.36 = 8,178.33 : x
  2. Step 2: Convert to fraction form
    12,095.49/18,104.36 = 8,178.33/x
  3. Step 3: Cross multiply
    12,095.49x = 18,104.36 × 8,178.33
  4. Step 4: Simplify right side
    12,095.49x = 148,063,389.63
  5. Step 5: Solve for x
    x = 148,063,389.63/12,095.49
  6. Step 6: Final answer
    x = 12,241.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.