Home / 11,935.05-17,904.60-4,918.86

Finding the Fourth Proportional to 11,935.05, 17,904.60 and 4,918.86

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Solution

The fourth proportional to 11,935.05, 17,904.60 and 4,918.86 is: 7,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.05 : 17,904.60 = 4,918.86 : x
  2. Step 2: Convert to fraction form
    11,935.05/17,904.60 = 4,918.86/x
  3. Step 3: Cross multiply
    11,935.05x = 17,904.60 × 4,918.86
  4. Step 4: Simplify right side
    11,935.05x = 88,070,220.76
  5. Step 5: Solve for x
    x = 88,070,220.76/11,935.05
  6. Step 6: Final answer
    x = 7,379.12

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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.