Home / 11,097.80-16,646.70-7,999.55

Finding the Fourth Proportional to 11,097.80, 16,646.70 and 7,999.55

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Solution

The fourth proportional to 11,097.80, 16,646.70 and 7,999.55 is: 11,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.80 : 16,646.70 = 7,999.55 : x
  2. Step 2: Convert to fraction form
    11,097.80/16,646.70 = 7,999.55/x
  3. Step 3: Cross multiply
    11,097.80x = 16,646.70 × 7,999.55
  4. Step 4: Simplify right side
    11,097.80x = 133,166,108.99
  5. Step 5: Solve for x
    x = 133,166,108.99/11,097.80
  6. Step 6: Final answer
    x = 11,999.33

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1.5x scale

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.