Home / 12,964.49-17,893.19-7,512.75

Finding the Fourth Proportional to 12,964.49, 17,893.19 and 7,512.75

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Solution

The fourth proportional to 12,964.49, 17,893.19 and 7,512.75 is: 10,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.49 : 17,893.19 = 7,512.75 : x
  2. Step 2: Convert to fraction form
    12,964.49/17,893.19 = 7,512.75/x
  3. Step 3: Cross multiply
    12,964.49x = 17,893.19 × 7,512.75
  4. Step 4: Simplify right side
    12,964.49x = 134,427,039.70
  5. Step 5: Solve for x
    x = 134,427,039.70/12,964.49
  6. Step 6: Final answer
    x = 10,368.86

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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.