Home / 13,901.38-19,183.70-7,932.89

Finding the Fourth Proportional to 13,901.38, 19,183.70 and 7,932.89

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Solution

The fourth proportional to 13,901.38, 19,183.70 and 7,932.89 is: 10,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.38 : 19,183.70 = 7,932.89 : x
  2. Step 2: Convert to fraction form
    13,901.38/19,183.70 = 7,932.89/x
  3. Step 3: Cross multiply
    13,901.38x = 19,183.70 × 7,932.89
  4. Step 4: Simplify right side
    13,901.38x = 152,182,249.68
  5. Step 5: Solve for x
    x = 152,182,249.68/13,901.38
  6. Step 6: Final answer
    x = 10,947.28

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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.