Home / 9,993.48-13,792.89-6,218.34

Finding the Fourth Proportional to 9,993.48, 13,792.89 and 6,218.34

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Solution

The fourth proportional to 9,993.48, 13,792.89 and 6,218.34 is: 8,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.48 : 13,792.89 = 6,218.34 : x
  2. Step 2: Convert to fraction form
    9,993.48/13,792.89 = 6,218.34/x
  3. Step 3: Cross multiply
    9,993.48x = 13,792.89 × 6,218.34
  4. Step 4: Simplify right side
    9,993.48x = 85,768,879.60
  5. Step 5: Solve for x
    x = 85,768,879.60/9,993.48
  6. Step 6: Final answer
    x = 8,582.48

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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.