Home / 13,563.16-18,722.07-11,040.89

Finding the Fourth Proportional to 13,563.16, 18,722.07 and 11,040.89

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Solution

The fourth proportional to 13,563.16, 18,722.07 and 11,040.89 is: 15,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.16 : 18,722.07 = 11,040.89 : x
  2. Step 2: Convert to fraction form
    13,563.16/18,722.07 = 11,040.89/x
  3. Step 3: Cross multiply
    13,563.16x = 18,722.07 × 11,040.89
  4. Step 4: Simplify right side
    13,563.16x = 206,708,262.65
  5. Step 5: Solve for x
    x = 206,708,262.65/13,563.16
  6. Step 6: Final answer
    x = 15,240.42

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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.