Home / 11,857.15-17,780.46-6,309.33

Finding the Fourth Proportional to 11,857.15, 17,780.46 and 6,309.33

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Solution

The fourth proportional to 11,857.15, 17,780.46 and 6,309.33 is: 9,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.15 : 17,780.46 = 6,309.33 : x
  2. Step 2: Convert to fraction form
    11,857.15/17,780.46 = 6,309.33/x
  3. Step 3: Cross multiply
    11,857.15x = 17,780.46 × 6,309.33
  4. Step 4: Simplify right side
    11,857.15x = 112,182,789.69
  5. Step 5: Solve for x
    x = 112,182,789.69/11,857.15
  6. Step 6: Final answer
    x = 9,461.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.