Home / 11,897.69-17,845.85-3,577.54

Finding the Fourth Proportional to 11,897.69, 17,845.85 and 3,577.54

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Solution

The fourth proportional to 11,897.69, 17,845.85 and 3,577.54 is: 5,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.69 : 17,845.85 = 3,577.54 : x
  2. Step 2: Convert to fraction form
    11,897.69/17,845.85 = 3,577.54/x
  3. Step 3: Cross multiply
    11,897.69x = 17,845.85 × 3,577.54
  4. Step 4: Simplify right side
    11,897.69x = 63,844,242.21
  5. Step 5: Solve for x
    x = 63,844,242.21/11,897.69
  6. Step 6: Final answer
    x = 5,366.10

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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.