Home / 17,945.76-26,920.43-6,861.77

Finding the Fourth Proportional to 17,945.76, 26,920.43 and 6,861.77

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Solution

The fourth proportional to 17,945.76, 26,920.43 and 6,861.77 is: 10,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.76 : 26,920.43 = 6,861.77 : x
  2. Step 2: Convert to fraction form
    17,945.76/26,920.43 = 6,861.77/x
  3. Step 3: Cross multiply
    17,945.76x = 26,920.43 × 6,861.77
  4. Step 4: Simplify right side
    17,945.76x = 184,721,798.96
  5. Step 5: Solve for x
    x = 184,721,798.96/17,945.76
  6. Step 6: Final answer
    x = 10,293.34

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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.