Home / 19,817.88-29,730.80-6,494.64

Finding the Fourth Proportional to 19,817.88, 29,730.80 and 6,494.64

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Solution

The fourth proportional to 19,817.88, 29,730.80 and 6,494.64 is: 9,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.88 : 29,730.80 = 6,494.64 : x
  2. Step 2: Convert to fraction form
    19,817.88/29,730.80 = 6,494.64/x
  3. Step 3: Cross multiply
    19,817.88x = 29,730.80 × 6,494.64
  4. Step 4: Simplify right side
    19,817.88x = 193,090,842.91
  5. Step 5: Solve for x
    x = 193,090,842.91/19,817.88
  6. Step 6: Final answer
    x = 9,743.26

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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.