Home / 12,204.57-16,840.51-6,899.28

Finding the Fourth Proportional to 12,204.57, 16,840.51 and 6,899.28

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Solution

The fourth proportional to 12,204.57, 16,840.51 and 6,899.28 is: 9,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.57 : 16,840.51 = 6,899.28 : x
  2. Step 2: Convert to fraction form
    12,204.57/16,840.51 = 6,899.28/x
  3. Step 3: Cross multiply
    12,204.57x = 16,840.51 × 6,899.28
  4. Step 4: Simplify right side
    12,204.57x = 116,187,313.43
  5. Step 5: Solve for x
    x = 116,187,313.43/12,204.57
  6. Step 6: Final answer
    x = 9,519.98

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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.