Home / 11,932.64-17,908.56-6,090.80

Finding the Fourth Proportional to 11,932.64, 17,908.56 and 6,090.80

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Solution

The fourth proportional to 11,932.64, 17,908.56 and 6,090.80 is: 9,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.64 : 17,908.56 = 6,090.80 : x
  2. Step 2: Convert to fraction form
    11,932.64/17,908.56 = 6,090.80/x
  3. Step 3: Cross multiply
    11,932.64x = 17,908.56 × 6,090.80
  4. Step 4: Simplify right side
    11,932.64x = 109,077,457.25
  5. Step 5: Solve for x
    x = 109,077,457.25/11,932.64
  6. Step 6: Final answer
    x = 9,141.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.