Home / 13,008.36-17,951.30-7,418.92

Finding the Fourth Proportional to 13,008.36, 17,951.30 and 7,418.92

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Solution

The fourth proportional to 13,008.36, 17,951.30 and 7,418.92 is: 10,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.36 : 17,951.30 = 7,418.92 : x
  2. Step 2: Convert to fraction form
    13,008.36/17,951.30 = 7,418.92/x
  3. Step 3: Cross multiply
    13,008.36x = 17,951.30 × 7,418.92
  4. Step 4: Simplify right side
    13,008.36x = 133,179,258.60
  5. Step 5: Solve for x
    x = 133,179,258.60/13,008.36
  6. Step 6: Final answer
    x = 10,237.97

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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.