Home / 23,037.78-31,795.19-12,968.18

Finding the Fourth Proportional to 23,037.78, 31,795.19 and 12,968.18

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Solution

The fourth proportional to 23,037.78, 31,795.19 and 12,968.18 is: 17,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.78 : 31,795.19 = 12,968.18 : x
  2. Step 2: Convert to fraction form
    23,037.78/31,795.19 = 12,968.18/x
  3. Step 3: Cross multiply
    23,037.78x = 31,795.19 × 12,968.18
  4. Step 4: Simplify right side
    23,037.78x = 412,325,747.05
  5. Step 5: Solve for x
    x = 412,325,747.05/23,037.78
  6. Step 6: Final answer
    x = 17,897.81

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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.