Home / 11,825.34-16,317.20-6,789.77

Finding the Fourth Proportional to 11,825.34, 16,317.20 and 6,789.77

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Solution

The fourth proportional to 11,825.34, 16,317.20 and 6,789.77 is: 9,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.34 : 16,317.20 = 6,789.77 : x
  2. Step 2: Convert to fraction form
    11,825.34/16,317.20 = 6,789.77/x
  3. Step 3: Cross multiply
    11,825.34x = 16,317.20 × 6,789.77
  4. Step 4: Simplify right side
    11,825.34x = 110,790,085.21
  5. Step 5: Solve for x
    x = 110,790,085.21/11,825.34
  6. Step 6: Final answer
    x = 9,368.87

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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.