Home / 11,998.39-16,558.29-6,693.21

Finding the Fourth Proportional to 11,998.39, 16,558.29 and 6,693.21

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Solution

The fourth proportional to 11,998.39, 16,558.29 and 6,693.21 is: 9,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.39 : 16,558.29 = 6,693.21 : x
  2. Step 2: Convert to fraction form
    11,998.39/16,558.29 = 6,693.21/x
  3. Step 3: Cross multiply
    11,998.39x = 16,558.29 × 6,693.21
  4. Step 4: Simplify right side
    11,998.39x = 110,828,029.42
  5. Step 5: Solve for x
    x = 110,828,029.42/11,998.39
  6. Step 6: Final answer
    x = 9,236.91

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Double scale
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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.