Home / 12,204.83-16,839.64-6,899.53

Finding the Fourth Proportional to 12,204.83, 16,839.64 and 6,899.53

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Solution

The fourth proportional to 12,204.83, 16,839.64 and 6,899.53 is: 9,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.83 : 16,839.64 = 6,899.53 : x
  2. Step 2: Convert to fraction form
    12,204.83/16,839.64 = 6,899.53/x
  3. Step 3: Cross multiply
    12,204.83x = 16,839.64 × 6,899.53
  4. Step 4: Simplify right side
    12,204.83x = 116,185,542.02
  5. Step 5: Solve for x
    x = 116,185,542.02/12,204.83
  6. Step 6: Final answer
    x = 9,519.64

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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.