Home / 12,208.70-18,314.88-3,886.26

Finding the Fourth Proportional to 12,208.70, 18,314.88 and 3,886.26

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Solution

The fourth proportional to 12,208.70, 18,314.88 and 3,886.26 is: 5,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.70 : 18,314.88 = 3,886.26 : x
  2. Step 2: Convert to fraction form
    12,208.70/18,314.88 = 3,886.26/x
  3. Step 3: Cross multiply
    12,208.70x = 18,314.88 × 3,886.26
  4. Step 4: Simplify right side
    12,208.70x = 71,176,302.29
  5. Step 5: Solve for x
    x = 71,176,302.29/12,208.70
  6. Step 6: Final answer
    x = 5,829.96

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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.