Home / 14,739.35-20,340.44-8,450.51

Finding the Fourth Proportional to 14,739.35, 20,340.44 and 8,450.51

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Solution

The fourth proportional to 14,739.35, 20,340.44 and 8,450.51 is: 11,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.35 : 20,340.44 = 8,450.51 : x
  2. Step 2: Convert to fraction form
    14,739.35/20,340.44 = 8,450.51/x
  3. Step 3: Cross multiply
    14,739.35x = 20,340.44 × 8,450.51
  4. Step 4: Simplify right side
    14,739.35x = 171,887,141.31
  5. Step 5: Solve for x
    x = 171,887,141.31/14,739.35
  6. Step 6: Final answer
    x = 11,661.79

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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.