Home / 11,998.80-16,557.57-6,693.30

Finding the Fourth Proportional to 11,998.80, 16,557.57 and 6,693.30

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Solution

The fourth proportional to 11,998.80, 16,557.57 and 6,693.30 is: 9,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.80 : 16,557.57 = 6,693.30 : x
  2. Step 2: Convert to fraction form
    11,998.80/16,557.57 = 6,693.30/x
  3. Step 3: Cross multiply
    11,998.80x = 16,557.57 × 6,693.30
  4. Step 4: Simplify right side
    11,998.80x = 110,824,783.28
  5. Step 5: Solve for x
    x = 110,824,783.28/11,998.80
  6. Step 6: Final answer
    x = 9,236.32

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Half scale
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Double scale
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Similar ratio
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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.