Home / 11,795.32-16,276.89-6,490.09

Finding the Fourth Proportional to 11,795.32, 16,276.89 and 6,490.09

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Solution

The fourth proportional to 11,795.32, 16,276.89 and 6,490.09 is: 8,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.32 : 16,276.89 = 6,490.09 : x
  2. Step 2: Convert to fraction form
    11,795.32/16,276.89 = 6,490.09/x
  3. Step 3: Cross multiply
    11,795.32x = 16,276.89 × 6,490.09
  4. Step 4: Simplify right side
    11,795.32x = 105,638,481.02
  5. Step 5: Solve for x
    x = 105,638,481.02/11,795.32
  6. Step 6: Final answer
    x = 8,955.97

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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.