Home / 11,331.30-16,961.93-11,165.24

Finding the Fourth Proportional to 11,331.30, 16,961.93 and 11,165.24

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Solution

The fourth proportional to 11,331.30, 16,961.93 and 11,165.24 is: 16,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 16,961.93 = 11,165.24 : x
  2. Step 2: Convert to fraction form
    11,331.30/16,961.93 = 11,165.24/x
  3. Step 3: Cross multiply
    11,331.30x = 16,961.93 × 11,165.24
  4. Step 4: Simplify right side
    11,331.30x = 189,383,962.42
  5. Step 5: Solve for x
    x = 189,383,962.42/11,331.30
  6. Step 6: Final answer
    x = 16,713.35

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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.