Home / 13,304.58-18,351.09-10,786.79

Finding the Fourth Proportional to 13,304.58, 18,351.09 and 10,786.79

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Solution

The fourth proportional to 13,304.58, 18,351.09 and 10,786.79 is: 14,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.58 : 18,351.09 = 10,786.79 : x
  2. Step 2: Convert to fraction form
    13,304.58/18,351.09 = 10,786.79/x
  3. Step 3: Cross multiply
    13,304.58x = 18,351.09 × 10,786.79
  4. Step 4: Simplify right side
    13,304.58x = 197,949,262.35
  5. Step 5: Solve for x
    x = 197,949,262.35/13,304.58
  6. Step 6: Final answer
    x = 14,878.28

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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.