Home / 12,580.72-17,361.21-7,276.03

Finding the Fourth Proportional to 12,580.72, 17,361.21 and 7,276.03

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Solution

The fourth proportional to 12,580.72, 17,361.21 and 7,276.03 is: 10,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.72 : 17,361.21 = 7,276.03 : x
  2. Step 2: Convert to fraction form
    12,580.72/17,361.21 = 7,276.03/x
  3. Step 3: Cross multiply
    12,580.72x = 17,361.21 × 7,276.03
  4. Step 4: Simplify right side
    12,580.72x = 126,320,684.80
  5. Step 5: Solve for x
    x = 126,320,684.80/12,580.72
  6. Step 6: Final answer
    x = 10,040.82

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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.