Home / 11,743.29-16,205.48-6,437.99

Finding the Fourth Proportional to 11,743.29, 16,205.48 and 6,437.99

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Solution

The fourth proportional to 11,743.29, 16,205.48 and 6,437.99 is: 8,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.29 : 16,205.48 = 6,437.99 : x
  2. Step 2: Convert to fraction form
    11,743.29/16,205.48 = 6,437.99/x
  3. Step 3: Cross multiply
    11,743.29x = 16,205.48 × 6,437.99
  4. Step 4: Simplify right side
    11,743.29x = 104,330,604.97
  5. Step 5: Solve for x
    x = 104,330,604.97/11,743.29
  6. Step 6: Final answer
    x = 8,884.27

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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.