Home / 11,628.83-16,048.21-6,661.79

Finding the Fourth Proportional to 11,628.83, 16,048.21 and 6,661.79

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Solution

The fourth proportional to 11,628.83, 16,048.21 and 6,661.79 is: 9,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.83 : 16,048.21 = 6,661.79 : x
  2. Step 2: Convert to fraction form
    11,628.83/16,048.21 = 6,661.79/x
  3. Step 3: Cross multiply
    11,628.83x = 16,048.21 × 6,661.79
  4. Step 4: Simplify right side
    11,628.83x = 106,909,853.34
  5. Step 5: Solve for x
    x = 106,909,853.34/11,628.83
  6. Step 6: Final answer
    x = 9,193.52

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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.