Home / 10,947.98-16,427.34-6,786.88

Finding the Fourth Proportional to 10,947.98, 16,427.34 and 6,786.88

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Solution

The fourth proportional to 10,947.98, 16,427.34 and 6,786.88 is: 10,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.98 : 16,427.34 = 6,786.88 : x
  2. Step 2: Convert to fraction form
    10,947.98/16,427.34 = 6,786.88/x
  3. Step 3: Cross multiply
    10,947.98x = 16,427.34 × 6,786.88
  4. Step 4: Simplify right side
    10,947.98x = 111,490,344.23
  5. Step 5: Solve for x
    x = 111,490,344.23/10,947.98
  6. Step 6: Final answer
    x = 10,183.64

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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.