Home / 12,507.44-17,249.06-10,379.57

Finding the Fourth Proportional to 12,507.44, 17,249.06 and 10,379.57

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Solution

The fourth proportional to 12,507.44, 17,249.06 and 10,379.57 is: 14,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.44 : 17,249.06 = 10,379.57 : x
  2. Step 2: Convert to fraction form
    12,507.44/17,249.06 = 10,379.57/x
  3. Step 3: Cross multiply
    12,507.44x = 17,249.06 × 10,379.57
  4. Step 4: Simplify right side
    12,507.44x = 179,037,687.56
  5. Step 5: Solve for x
    x = 179,037,687.56/12,507.44
  6. Step 6: Final answer
    x = 14,314.50

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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.