Home / 13,936.26-19,230.75-8,270.03

Finding the Fourth Proportional to 13,936.26, 19,230.75 and 8,270.03

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Solution

The fourth proportional to 13,936.26, 19,230.75 and 8,270.03 is: 11,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.26 : 19,230.75 = 8,270.03 : x
  2. Step 2: Convert to fraction form
    13,936.26/19,230.75 = 8,270.03/x
  3. Step 3: Cross multiply
    13,936.26x = 19,230.75 × 8,270.03
  4. Step 4: Simplify right side
    13,936.26x = 159,038,831.35
  5. Step 5: Solve for x
    x = 159,038,831.35/13,936.26
  6. Step 6: Final answer
    x = 11,411.88

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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.