Home / 11,939.13-17,902.26-9,158.94

Finding the Fourth Proportional to 11,939.13, 17,902.26 and 9,158.94

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Solution

The fourth proportional to 11,939.13, 17,902.26 and 9,158.94 is: 13,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.13 : 17,902.26 = 9,158.94 : x
  2. Step 2: Convert to fraction form
    11,939.13/17,902.26 = 9,158.94/x
  3. Step 3: Cross multiply
    11,939.13x = 17,902.26 × 9,158.94
  4. Step 4: Simplify right side
    11,939.13x = 163,965,725.20
  5. Step 5: Solve for x
    x = 163,965,725.20/11,939.13
  6. Step 6: Final answer
    x = 13,733.47

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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.