Home / 15,100.98-20,837.83-8,817.00

Finding the Fourth Proportional to 15,100.98, 20,837.83 and 8,817.00

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Solution

The fourth proportional to 15,100.98, 20,837.83 and 8,817.00 is: 12,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.98 : 20,837.83 = 8,817.00 : x
  2. Step 2: Convert to fraction form
    15,100.98/20,837.83 = 8,817.00/x
  3. Step 3: Cross multiply
    15,100.98x = 20,837.83 × 8,817.00
  4. Step 4: Simplify right side
    15,100.98x = 183,727,205.47
  5. Step 5: Solve for x
    x = 183,727,205.47/15,100.98
  6. Step 6: Final answer
    x = 12,166.57

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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.