Home / 11,743.06-16,205-6,437.77

Finding the Fourth Proportional to 11,743.06, 16,205 and 6,437.77

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Solution

The fourth proportional to 11,743.06, 16,205 and 6,437.77 is: 8,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.06 : 16,205 = 6,437.77 : x
  2. Step 2: Convert to fraction form
    11,743.06/16,205 = 6,437.77/x
  3. Step 3: Cross multiply
    11,743.06x = 16,205 × 6,437.77
  4. Step 4: Simplify right side
    11,743.06x = 104,324,062.85
  5. Step 5: Solve for x
    x = 104,324,062.85/11,743.06
  6. Step 6: Final answer
    x = 8,883.89

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Double scale
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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.