Home / 11,021.75-15,210.36-6,241.62

Finding the Fourth Proportional to 11,021.75, 15,210.36 and 6,241.62

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Solution

The fourth proportional to 11,021.75, 15,210.36 and 6,241.62 is: 8,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.75 : 15,210.36 = 6,241.62 : x
  2. Step 2: Convert to fraction form
    11,021.75/15,210.36 = 6,241.62/x
  3. Step 3: Cross multiply
    11,021.75x = 15,210.36 × 6,241.62
  4. Step 4: Simplify right side
    11,021.75x = 94,937,287.18
  5. Step 5: Solve for x
    x = 94,937,287.18/11,021.75
  6. Step 6: Final answer
    x = 8,613.63

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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.