Home / 9,440.69-13,028.15-5,248.94

Finding the Fourth Proportional to 9,440.69, 13,028.15 and 5,248.94

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Solution

The fourth proportional to 9,440.69, 13,028.15 and 5,248.94 is: 7,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.69 : 13,028.15 = 5,248.94 : x
  2. Step 2: Convert to fraction form
    9,440.69/13,028.15 = 5,248.94/x
  3. Step 3: Cross multiply
    9,440.69x = 13,028.15 × 5,248.94
  4. Step 4: Simplify right side
    9,440.69x = 68,383,977.66
  5. Step 5: Solve for x
    x = 68,383,977.66/9,440.69
  6. Step 6: Final answer
    x = 7,243.54

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Half scale
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Double scale
Find fourth proportional to 9,441.69, 13,029.53 and 5,249.94
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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.