Home / 11,877.83-17,816.74-3,558.72

Finding the Fourth Proportional to 11,877.83, 17,816.74 and 3,558.72

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Solution

The fourth proportional to 11,877.83, 17,816.74 and 3,558.72 is: 5,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.83 : 17,816.74 = 3,558.72 : x
  2. Step 2: Convert to fraction form
    11,877.83/17,816.74 = 3,558.72/x
  3. Step 3: Cross multiply
    11,877.83x = 17,816.74 × 3,558.72
  4. Step 4: Simplify right side
    11,877.83x = 63,404,788.97
  5. Step 5: Solve for x
    x = 63,404,788.97/11,877.83
  6. Step 6: Final answer
    x = 5,338.08

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1.5x scale

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.