Home / 13,370.06-20,036.46-11,057.87

Finding the Fourth Proportional to 13,370.06, 20,036.46 and 11,057.87

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Solution

The fourth proportional to 13,370.06, 20,036.46 and 11,057.87 is: 16,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.06 : 20,036.46 = 11,057.87 : x
  2. Step 2: Convert to fraction form
    13,370.06/20,036.46 = 11,057.87/x
  3. Step 3: Cross multiply
    13,370.06x = 20,036.46 × 11,057.87
  4. Step 4: Simplify right side
    13,370.06x = 221,560,569.94
  5. Step 5: Solve for x
    x = 221,560,569.94/13,370.06
  6. Step 6: Final answer
    x = 16,571.40

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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.