Home / 19,884.93-29,815.43-8,785.95

Finding the Fourth Proportional to 19,884.93, 29,815.43 and 8,785.95

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Solution

The fourth proportional to 19,884.93, 29,815.43 and 8,785.95 is: 13,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.93 : 29,815.43 = 8,785.95 : x
  2. Step 2: Convert to fraction form
    19,884.93/29,815.43 = 8,785.95/x
  3. Step 3: Cross multiply
    19,884.93x = 29,815.43 × 8,785.95
  4. Step 4: Simplify right side
    19,884.93x = 261,956,833.28
  5. Step 5: Solve for x
    x = 261,956,833.28/19,884.93
  6. Step 6: Final answer
    x = 13,173.64

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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.