Home / 11,746.80-17,622.60-3,956.40

Finding the Fourth Proportional to 11,746.80, 17,622.60 and 3,956.40

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Solution

The fourth proportional to 11,746.80, 17,622.60 and 3,956.40 is: 5,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.80 : 17,622.60 = 3,956.40 : x
  2. Step 2: Convert to fraction form
    11,746.80/17,622.60 = 3,956.40/x
  3. Step 3: Cross multiply
    11,746.80x = 17,622.60 × 3,956.40
  4. Step 4: Simplify right side
    11,746.80x = 69,722,054.64
  5. Step 5: Solve for x
    x = 69,722,054.64/11,746.80
  6. Step 6: Final answer
    x = 5,935.41

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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.