Home / 12,749.48-19,126.44-3,982.16

Finding the Fourth Proportional to 12,749.48, 19,126.44 and 3,982.16

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Solution

The fourth proportional to 12,749.48, 19,126.44 and 3,982.16 is: 5,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.48 : 19,126.44 = 3,982.16 : x
  2. Step 2: Convert to fraction form
    12,749.48/19,126.44 = 3,982.16/x
  3. Step 3: Cross multiply
    12,749.48x = 19,126.44 × 3,982.16
  4. Step 4: Simplify right side
    12,749.48x = 76,164,544.31
  5. Step 5: Solve for x
    x = 76,164,544.31/12,749.48
  6. Step 6: Final answer
    x = 5,973.93

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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.