Home / 12,745.96-17,592.60-9,912.64

Finding the Fourth Proportional to 12,745.96, 17,592.60 and 9,912.64

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Solution

The fourth proportional to 12,745.96, 17,592.60 and 9,912.64 is: 13,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.96 : 17,592.60 = 9,912.64 : x
  2. Step 2: Convert to fraction form
    12,745.96/17,592.60 = 9,912.64/x
  3. Step 3: Cross multiply
    12,745.96x = 17,592.60 × 9,912.64
  4. Step 4: Simplify right side
    12,745.96x = 174,389,110.46
  5. Step 5: Solve for x
    x = 174,389,110.46/12,745.96
  6. Step 6: Final answer
    x = 13,681.91

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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.