Home / 19,321.54-26,659.87-11,762.83

Finding the Fourth Proportional to 19,321.54, 26,659.87 and 11,762.83

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Solution

The fourth proportional to 19,321.54, 26,659.87 and 11,762.83 is: 16,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.54 : 26,659.87 = 11,762.83 : x
  2. Step 2: Convert to fraction form
    19,321.54/26,659.87 = 11,762.83/x
  3. Step 3: Cross multiply
    19,321.54x = 26,659.87 × 11,762.83
  4. Step 4: Simplify right side
    19,321.54x = 313,595,518.63
  5. Step 5: Solve for x
    x = 313,595,518.63/19,321.54
  6. Step 6: Final answer
    x = 16,230.36

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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.