Home / 19,585.35-29,383.11-8,489.48

Finding the Fourth Proportional to 19,585.35, 29,383.11 and 8,489.48

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Solution

The fourth proportional to 19,585.35, 29,383.11 and 8,489.48 is: 12,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.35 : 29,383.11 = 8,489.48 : x
  2. Step 2: Convert to fraction form
    19,585.35/29,383.11 = 8,489.48/x
  3. Step 3: Cross multiply
    19,585.35x = 29,383.11 × 8,489.48
  4. Step 4: Simplify right side
    19,585.35x = 249,447,177.77
  5. Step 5: Solve for x
    x = 249,447,177.77/19,585.35
  6. Step 6: Final answer
    x = 12,736.42

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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.