Home / 11,929.50-17,896.34-4,534.60

Finding the Fourth Proportional to 11,929.50, 17,896.34 and 4,534.60

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Solution

The fourth proportional to 11,929.50, 17,896.34 and 4,534.60 is: 6,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.50 : 17,896.34 = 4,534.60 : x
  2. Step 2: Convert to fraction form
    11,929.50/17,896.34 = 4,534.60/x
  3. Step 3: Cross multiply
    11,929.50x = 17,896.34 × 4,534.60
  4. Step 4: Simplify right side
    11,929.50x = 81,152,743.36
  5. Step 5: Solve for x
    x = 81,152,743.36/11,929.50
  6. Step 6: Final answer
    x = 6,802.70

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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.