Home / 19,818.26-29,727.94-5,777.95

Finding the Fourth Proportional to 19,818.26, 29,727.94 and 5,777.95

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Solution

The fourth proportional to 19,818.26, 29,727.94 and 5,777.95 is: 8,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.26 : 29,727.94 = 5,777.95 : x
  2. Step 2: Convert to fraction form
    19,818.26/29,727.94 = 5,777.95/x
  3. Step 3: Cross multiply
    19,818.26x = 29,727.94 × 5,777.95
  4. Step 4: Simplify right side
    19,818.26x = 171,766,575.19
  5. Step 5: Solve for x
    x = 171,766,575.19/19,818.26
  6. Step 6: Final answer
    x = 8,667.08

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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.