Home / 11,809.80-16,297.02-6,770.51

Finding the Fourth Proportional to 11,809.80, 16,297.02 and 6,770.51

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Solution

The fourth proportional to 11,809.80, 16,297.02 and 6,770.51 is: 9,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.80 : 16,297.02 = 6,770.51 : x
  2. Step 2: Convert to fraction form
    11,809.80/16,297.02 = 6,770.51/x
  3. Step 3: Cross multiply
    11,809.80x = 16,297.02 × 6,770.51
  4. Step 4: Simplify right side
    11,809.80x = 110,339,136.88
  5. Step 5: Solve for x
    x = 110,339,136.88/11,809.80
  6. Step 6: Final answer
    x = 9,343.01

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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.