Home / 11,991.00-16,546.89-6,685.63

Finding the Fourth Proportional to 11,991.00, 16,546.89 and 6,685.63

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Solution

The fourth proportional to 11,991.00, 16,546.89 and 6,685.63 is: 9,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.00 : 16,546.89 = 6,685.63 : x
  2. Step 2: Convert to fraction form
    11,991.00/16,546.89 = 6,685.63/x
  3. Step 3: Cross multiply
    11,991.00x = 16,546.89 × 6,685.63
  4. Step 4: Simplify right side
    11,991.00x = 110,626,384.19
  5. Step 5: Solve for x
    x = 110,626,384.19/11,991.00
  6. Step 6: Final answer
    x = 9,225.79

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1.5x scale

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.