Home / 11,830.91-16,326.72-6,525.90

Finding the Fourth Proportional to 11,830.91, 16,326.72 and 6,525.90

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Solution

The fourth proportional to 11,830.91, 16,326.72 and 6,525.90 is: 9,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.91 : 16,326.72 = 6,525.90 : x
  2. Step 2: Convert to fraction form
    11,830.91/16,326.72 = 6,525.90/x
  3. Step 3: Cross multiply
    11,830.91x = 16,326.72 × 6,525.90
  4. Step 4: Simplify right side
    11,830.91x = 106,546,542.05
  5. Step 5: Solve for x
    x = 106,546,542.05/11,830.91
  6. Step 6: Final answer
    x = 9,005.78

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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.