Home / 11,023.89-15,212.75-6,243.76

Finding the Fourth Proportional to 11,023.89, 15,212.75 and 6,243.76

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Solution

The fourth proportional to 11,023.89, 15,212.75 and 6,243.76 is: 8,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.89 : 15,212.75 = 6,243.76 : x
  2. Step 2: Convert to fraction form
    11,023.89/15,212.75 = 6,243.76/x
  3. Step 3: Cross multiply
    11,023.89x = 15,212.75 × 6,243.76
  4. Step 4: Simplify right side
    11,023.89x = 94,984,759.94
  5. Step 5: Solve for x
    x = 94,984,759.94/11,023.89
  6. Step 6: Final answer
    x = 8,616.27

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Half scale
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Double scale
Find fourth proportional to 11,024.89, 15,214.13 and 6,244.76
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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.