Home / 12,076.34-16,666.20-6,699.30

Finding the Fourth Proportional to 12,076.34, 16,666.20 and 6,699.30

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Solution

The fourth proportional to 12,076.34, 16,666.20 and 6,699.30 is: 9,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.34 : 16,666.20 = 6,699.30 : x
  2. Step 2: Convert to fraction form
    12,076.34/16,666.20 = 6,699.30/x
  3. Step 3: Cross multiply
    12,076.34x = 16,666.20 × 6,699.30
  4. Step 4: Simplify right side
    12,076.34x = 111,651,873.66
  5. Step 5: Solve for x
    x = 111,651,873.66/12,076.34
  6. Step 6: Final answer
    x = 9,245.51

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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.