Home / 13,494.14-18,621.33-9,956.06

Finding the Fourth Proportional to 13,494.14, 18,621.33 and 9,956.06

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Solution

The fourth proportional to 13,494.14, 18,621.33 and 9,956.06 is: 13,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.14 : 18,621.33 = 9,956.06 : x
  2. Step 2: Convert to fraction form
    13,494.14/18,621.33 = 9,956.06/x
  3. Step 3: Cross multiply
    13,494.14x = 18,621.33 × 9,956.06
  4. Step 4: Simplify right side
    13,494.14x = 185,395,078.76
  5. Step 5: Solve for x
    x = 185,395,078.76/13,494.14
  6. Step 6: Final answer
    x = 13,738.93

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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.