Home / 12,548.72-17,321.04-7,247.36

Finding the Fourth Proportional to 12,548.72, 17,321.04 and 7,247.36

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Solution

The fourth proportional to 12,548.72, 17,321.04 and 7,247.36 is: 10,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.72 : 17,321.04 = 7,247.36 : x
  2. Step 2: Convert to fraction form
    12,548.72/17,321.04 = 7,247.36/x
  3. Step 3: Cross multiply
    12,548.72x = 17,321.04 × 7,247.36
  4. Step 4: Simplify right side
    12,548.72x = 125,531,812.45
  5. Step 5: Solve for x
    x = 125,531,812.45/12,548.72
  6. Step 6: Final answer
    x = 10,003.56

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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.