Home / 19,777.44-29,626.93-10,403.31

Finding the Fourth Proportional to 19,777.44, 29,626.93 and 10,403.31

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Solution

The fourth proportional to 19,777.44, 29,626.93 and 10,403.31 is: 15,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.44 : 29,626.93 = 10,403.31 : x
  2. Step 2: Convert to fraction form
    19,777.44/29,626.93 = 10,403.31/x
  3. Step 3: Cross multiply
    19,777.44x = 29,626.93 × 10,403.31
  4. Step 4: Simplify right side
    19,777.44x = 308,218,137.14
  5. Step 5: Solve for x
    x = 308,218,137.14/19,777.44
  6. Step 6: Final answer
    x = 15,584.33

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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.