Home / 11,113.96-16,670.94-7,673.08

Finding the Fourth Proportional to 11,113.96, 16,670.94 and 7,673.08

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Solution

The fourth proportional to 11,113.96, 16,670.94 and 7,673.08 is: 11,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.96 : 16,670.94 = 7,673.08 : x
  2. Step 2: Convert to fraction form
    11,113.96/16,670.94 = 7,673.08/x
  3. Step 3: Cross multiply
    11,113.96x = 16,670.94 × 7,673.08
  4. Step 4: Simplify right side
    11,113.96x = 127,917,456.30
  5. Step 5: Solve for x
    x = 127,917,456.30/11,113.96
  6. Step 6: Final answer
    x = 11,509.62

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.