Home / 12,623.57-18,934.67-3,858.48

Finding the Fourth Proportional to 12,623.57, 18,934.67 and 3,858.48

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Solution

The fourth proportional to 12,623.57, 18,934.67 and 3,858.48 is: 5,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.57 : 18,934.67 = 3,858.48 : x
  2. Step 2: Convert to fraction form
    12,623.57/18,934.67 = 3,858.48/x
  3. Step 3: Cross multiply
    12,623.57x = 18,934.67 × 3,858.48
  4. Step 4: Simplify right side
    12,623.57x = 73,059,026.21
  5. Step 5: Solve for x
    x = 73,059,026.21/12,623.57
  6. Step 6: Final answer
    x = 5,787.51

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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.