Home / 11,829.26-16,309.40-7,795.46

Finding the Fourth Proportional to 11,829.26, 16,309.40 and 7,795.46

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Solution

The fourth proportional to 11,829.26, 16,309.40 and 7,795.46 is: 10,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.26 : 16,309.40 = 7,795.46 : x
  2. Step 2: Convert to fraction form
    11,829.26/16,309.40 = 7,795.46/x
  3. Step 3: Cross multiply
    11,829.26x = 16,309.40 × 7,795.46
  4. Step 4: Simplify right side
    11,829.26x = 127,139,154.80
  5. Step 5: Solve for x
    x = 127,139,154.80/11,829.26
  6. Step 6: Final answer
    x = 10,747.86

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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.