Home / 13,901.39-19,183.70-7,932.90

Finding the Fourth Proportional to 13,901.39, 19,183.70 and 7,932.90

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Solution

The fourth proportional to 13,901.39, 19,183.70 and 7,932.90 is: 10,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.39 : 19,183.70 = 7,932.90 : x
  2. Step 2: Convert to fraction form
    13,901.39/19,183.70 = 7,932.90/x
  3. Step 3: Cross multiply
    13,901.39x = 19,183.70 × 7,932.90
  4. Step 4: Simplify right side
    13,901.39x = 152,182,334.07
  5. Step 5: Solve for x
    x = 152,182,334.07/13,901.39
  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.