Home / 10,405.75-14,371.77-6,996.83

Finding the Fourth Proportional to 10,405.75, 14,371.77 and 6,996.83

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Solution

The fourth proportional to 10,405.75, 14,371.77 and 6,996.83 is: 9,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.75 : 14,371.77 = 6,996.83 : x
  2. Step 2: Convert to fraction form
    10,405.75/14,371.77 = 6,996.83/x
  3. Step 3: Cross multiply
    10,405.75x = 14,371.77 × 6,996.83
  4. Step 4: Simplify right side
    10,405.75x = 100,556,796.50
  5. Step 5: Solve for x
    x = 100,556,796.50/10,405.75
  6. Step 6: Final answer
    x = 9,663.58

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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.