Home / 11,939.10-16,474.97-6,561.25

Finding the Fourth Proportional to 11,939.10, 16,474.97 and 6,561.25

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Solution

The fourth proportional to 11,939.10, 16,474.97 and 6,561.25 is: 9,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.10 : 16,474.97 = 6,561.25 : x
  2. Step 2: Convert to fraction form
    11,939.10/16,474.97 = 6,561.25/x
  3. Step 3: Cross multiply
    11,939.10x = 16,474.97 × 6,561.25
  4. Step 4: Simplify right side
    11,939.10x = 108,096,446.35
  5. Step 5: Solve for x
    x = 108,096,446.35/11,939.10
  6. Step 6: Final answer
    x = 9,053.98

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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.