Home / 13,076.06-18,045.07-7,107.73

Finding the Fourth Proportional to 13,076.06, 18,045.07 and 7,107.73

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Solution

The fourth proportional to 13,076.06, 18,045.07 and 7,107.73 is: 9,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.06 : 18,045.07 = 7,107.73 : x
  2. Step 2: Convert to fraction form
    13,076.06/18,045.07 = 7,107.73/x
  3. Step 3: Cross multiply
    13,076.06x = 18,045.07 × 7,107.73
  4. Step 4: Simplify right side
    13,076.06x = 128,259,485.39
  5. Step 5: Solve for x
    x = 128,259,485.39/13,076.06
  6. Step 6: Final answer
    x = 9,808.73

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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.