Home / 19,817.70-29,739.45-8,584.02

Finding the Fourth Proportional to 19,817.70, 29,739.45 and 8,584.02

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Solution

The fourth proportional to 19,817.70, 29,739.45 and 8,584.02 is: 12,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.70 : 29,739.45 = 8,584.02 : x
  2. Step 2: Convert to fraction form
    19,817.70/29,739.45 = 8,584.02/x
  3. Step 3: Cross multiply
    19,817.70x = 29,739.45 × 8,584.02
  4. Step 4: Simplify right side
    19,817.70x = 255,284,033.59
  5. Step 5: Solve for x
    x = 255,284,033.59/19,817.70
  6. Step 6: Final answer
    x = 12,881.62

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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.