Home / 23,003.46-31,745.04-12,931.32

Finding the Fourth Proportional to 23,003.46, 31,745.04 and 12,931.32

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Solution

The fourth proportional to 23,003.46, 31,745.04 and 12,931.32 is: 17,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,003.46 : 31,745.04 = 12,931.32 : x
  2. Step 2: Convert to fraction form
    23,003.46/31,745.04 = 12,931.32/x
  3. Step 3: Cross multiply
    23,003.46x = 31,745.04 × 12,931.32
  4. Step 4: Simplify right side
    23,003.46x = 410,505,270.65
  5. Step 5: Solve for x
    x = 410,505,270.65/23,003.46
  6. Step 6: Final answer
    x = 17,845.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.