Home / 19,403.75-26,777.21-11,020.25

Finding the Fourth Proportional to 19,403.75, 26,777.21 and 11,020.25

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Solution

The fourth proportional to 19,403.75, 26,777.21 and 11,020.25 is: 15,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.75 : 26,777.21 = 11,020.25 : x
  2. Step 2: Convert to fraction form
    19,403.75/26,777.21 = 11,020.25/x
  3. Step 3: Cross multiply
    19,403.75x = 26,777.21 × 11,020.25
  4. Step 4: Simplify right side
    19,403.75x = 295,091,548.50
  5. Step 5: Solve for x
    x = 295,091,548.50/19,403.75
  6. Step 6: Final answer
    x = 15,207.96

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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.