Home / 13,939.70-19,249.25-10,396.76

Finding the Fourth Proportional to 13,939.70, 19,249.25 and 10,396.76

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Solution

The fourth proportional to 13,939.70, 19,249.25 and 10,396.76 is: 14,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.70 : 19,249.25 = 10,396.76 : x
  2. Step 2: Convert to fraction form
    13,939.70/19,249.25 = 10,396.76/x
  3. Step 3: Cross multiply
    13,939.70x = 19,249.25 × 10,396.76
  4. Step 4: Simplify right side
    13,939.70x = 200,129,684.20
  5. Step 5: Solve for x
    x = 200,129,684.20/13,939.70
  6. Step 6: Final answer
    x = 14,356.82

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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.