Home / 18,835.48-28,262.94-7,750.36

Finding the Fourth Proportional to 18,835.48, 28,262.94 and 7,750.36

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Solution

The fourth proportional to 18,835.48, 28,262.94 and 7,750.36 is: 11,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.48 : 28,262.94 = 7,750.36 : x
  2. Step 2: Convert to fraction form
    18,835.48/28,262.94 = 7,750.36/x
  3. Step 3: Cross multiply
    18,835.48x = 28,262.94 × 7,750.36
  4. Step 4: Simplify right side
    18,835.48x = 219,047,959.66
  5. Step 5: Solve for x
    x = 219,047,959.66/18,835.48
  6. Step 6: Final answer
    x = 11,629.54

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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.