Home / 19,855.42-29,786.56-6,707.88

Finding the Fourth Proportional to 19,855.42, 29,786.56 and 6,707.88

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Solution

The fourth proportional to 19,855.42, 29,786.56 and 6,707.88 is: 10,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.42 : 29,786.56 = 6,707.88 : x
  2. Step 2: Convert to fraction form
    19,855.42/29,786.56 = 6,707.88/x
  3. Step 3: Cross multiply
    19,855.42x = 29,786.56 × 6,707.88
  4. Step 4: Simplify right side
    19,855.42x = 199,804,670.09
  5. Step 5: Solve for x
    x = 199,804,670.09/19,855.42
  6. Step 6: Final answer
    x = 10,062.98

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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.