Home / 12,293.03-18,435.54-3,971.09

Finding the Fourth Proportional to 12,293.03, 18,435.54 and 3,971.09

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Solution

The fourth proportional to 12,293.03, 18,435.54 and 3,971.09 is: 5,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.03 : 18,435.54 = 3,971.09 : x
  2. Step 2: Convert to fraction form
    12,293.03/18,435.54 = 3,971.09/x
  3. Step 3: Cross multiply
    12,293.03x = 18,435.54 × 3,971.09
  4. Step 4: Simplify right side
    12,293.03x = 73,209,188.54
  5. Step 5: Solve for x
    x = 73,209,188.54/12,293.03
  6. Step 6: Final answer
    x = 5,955.34

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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.