Home / 19,812.93-29,708.48-8,134.35

Finding the Fourth Proportional to 19,812.93, 29,708.48 and 8,134.35

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Solution

The fourth proportional to 19,812.93, 29,708.48 and 8,134.35 is: 12,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.93 : 29,708.48 = 8,134.35 : x
  2. Step 2: Convert to fraction form
    19,812.93/29,708.48 = 8,134.35/x
  3. Step 3: Cross multiply
    19,812.93x = 29,708.48 × 8,134.35
  4. Step 4: Simplify right side
    19,812.93x = 241,659,133.62
  5. Step 5: Solve for x
    x = 241,659,133.62/19,812.93
  6. Step 6: Final answer
    x = 12,197.04

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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.