Home / 11,659.97-16,090.29-6,354.68

Finding the Fourth Proportional to 11,659.97, 16,090.29 and 6,354.68

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Solution

The fourth proportional to 11,659.97, 16,090.29 and 6,354.68 is: 8,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.97 : 16,090.29 = 6,354.68 : x
  2. Step 2: Convert to fraction form
    11,659.97/16,090.29 = 6,354.68/x
  3. Step 3: Cross multiply
    11,659.97x = 16,090.29 × 6,354.68
  4. Step 4: Simplify right side
    11,659.97x = 102,248,579.49
  5. Step 5: Solve for x
    x = 102,248,579.49/11,659.97
  6. Step 6: Final answer
    x = 8,769.20

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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.