Home / 12,208.10-18,305.27-3,886.58

Finding the Fourth Proportional to 12,208.10, 18,305.27 and 3,886.58

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Solution

The fourth proportional to 12,208.10, 18,305.27 and 3,886.58 is: 5,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.10 : 18,305.27 = 3,886.58 : x
  2. Step 2: Convert to fraction form
    12,208.10/18,305.27 = 3,886.58/x
  3. Step 3: Cross multiply
    12,208.10x = 18,305.27 × 3,886.58
  4. Step 4: Simplify right side
    12,208.10x = 71,144,896.28
  5. Step 5: Solve for x
    x = 71,144,896.28/12,208.10
  6. Step 6: Final answer
    x = 5,827.68

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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.