Home / 11,427.09-15,770.15-6,951.03

Finding the Fourth Proportional to 11,427.09, 15,770.15 and 6,951.03

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Solution

The fourth proportional to 11,427.09, 15,770.15 and 6,951.03 is: 9,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.09 : 15,770.15 = 6,951.03 : x
  2. Step 2: Convert to fraction form
    11,427.09/15,770.15 = 6,951.03/x
  3. Step 3: Cross multiply
    11,427.09x = 15,770.15 × 6,951.03
  4. Step 4: Simplify right side
    11,427.09x = 109,618,751.00
  5. Step 5: Solve for x
    x = 109,618,751.00/11,427.09
  6. Step 6: Final answer
    x = 9,592.88

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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.