Home / 11,835.57-16,333.47-6,800.70

Finding the Fourth Proportional to 11,835.57, 16,333.47 and 6,800.70

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Solution

The fourth proportional to 11,835.57, 16,333.47 and 6,800.70 is: 9,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.57 : 16,333.47 = 6,800.70 : x
  2. Step 2: Convert to fraction form
    11,835.57/16,333.47 = 6,800.70/x
  3. Step 3: Cross multiply
    11,835.57x = 16,333.47 × 6,800.70
  4. Step 4: Simplify right side
    11,835.57x = 111,079,029.43
  5. Step 5: Solve for x
    x = 111,079,029.43/11,835.57
  6. Step 6: Final answer
    x = 9,385.19

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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.