Home / 14,486.49-19,990.67-8,896.41

Finding the Fourth Proportional to 14,486.49, 19,990.67 and 8,896.41

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Solution

The fourth proportional to 14,486.49, 19,990.67 and 8,896.41 is: 12,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.49 : 19,990.67 = 8,896.41 : x
  2. Step 2: Convert to fraction form
    14,486.49/19,990.67 = 8,896.41/x
  3. Step 3: Cross multiply
    14,486.49x = 19,990.67 × 8,896.41
  4. Step 4: Simplify right side
    14,486.49x = 177,845,152.01
  5. Step 5: Solve for x
    x = 177,845,152.01/14,486.49
  6. Step 6: Final answer
    x = 12,276.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.