Home / 15,945.36-23,896.14-8,137.80

Finding the Fourth Proportional to 15,945.36, 23,896.14 and 8,137.80

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Solution

The fourth proportional to 15,945.36, 23,896.14 and 8,137.80 is: 12,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.36 : 23,896.14 = 8,137.80 : x
  2. Step 2: Convert to fraction form
    15,945.36/23,896.14 = 8,137.80/x
  3. Step 3: Cross multiply
    15,945.36x = 23,896.14 × 8,137.80
  4. Step 4: Simplify right side
    15,945.36x = 194,462,008.09
  5. Step 5: Solve for x
    x = 194,462,008.09/15,945.36
  6. Step 6: Final answer
    x = 12,195.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.