Home / 19,309.07-28,961.16-6,160.34

Finding the Fourth Proportional to 19,309.07, 28,961.16 and 6,160.34

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Solution

The fourth proportional to 19,309.07, 28,961.16 and 6,160.34 is: 9,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.07 : 28,961.16 = 6,160.34 : x
  2. Step 2: Convert to fraction form
    19,309.07/28,961.16 = 6,160.34/x
  3. Step 3: Cross multiply
    19,309.07x = 28,961.16 × 6,160.34
  4. Step 4: Simplify right side
    19,309.07x = 178,410,447.59
  5. Step 5: Solve for x
    x = 178,410,447.59/19,309.07
  6. Step 6: Final answer
    x = 9,239.72

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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.