Home / 11,879.20-17,818.42-4,953.52

Finding the Fourth Proportional to 11,879.20, 17,818.42 and 4,953.52

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Solution

The fourth proportional to 11,879.20, 17,818.42 and 4,953.52 is: 7,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.20 : 17,818.42 = 4,953.52 : x
  2. Step 2: Convert to fraction form
    11,879.20/17,818.42 = 4,953.52/x
  3. Step 3: Cross multiply
    11,879.20x = 17,818.42 × 4,953.52
  4. Step 4: Simplify right side
    11,879.20x = 88,263,899.84
  5. Step 5: Solve for x
    x = 88,263,899.84/11,879.20
  6. Step 6: Final answer
    x = 7,430.12

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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.