Home / 13,285.79-19,911.36-6,708.41

Finding the Fourth Proportional to 13,285.79, 19,911.36 and 6,708.41

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Solution

The fourth proportional to 13,285.79, 19,911.36 and 6,708.41 is: 10,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.79 : 19,911.36 = 6,708.41 : x
  2. Step 2: Convert to fraction form
    13,285.79/19,911.36 = 6,708.41/x
  3. Step 3: Cross multiply
    13,285.79x = 19,911.36 × 6,708.41
  4. Step 4: Simplify right side
    13,285.79x = 133,573,566.54
  5. Step 5: Solve for x
    x = 133,573,566.54/13,285.79
  6. Step 6: Final answer
    x = 10,053.87

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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.