Home / 11,669.48-16,103.84-6,364.28

Finding the Fourth Proportional to 11,669.48, 16,103.84 and 6,364.28

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Solution

The fourth proportional to 11,669.48, 16,103.84 and 6,364.28 is: 8,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.48 : 16,103.84 = 6,364.28 : x
  2. Step 2: Convert to fraction form
    11,669.48/16,103.84 = 6,364.28/x
  3. Step 3: Cross multiply
    11,669.48x = 16,103.84 × 6,364.28
  4. Step 4: Simplify right side
    11,669.48x = 102,489,346.84
  5. Step 5: Solve for x
    x = 102,489,346.84/11,669.48
  6. Step 6: Final answer
    x = 8,782.68

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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.