Home / 13,249.95-18,284.97-7,944.76

Finding the Fourth Proportional to 13,249.95, 18,284.97 and 7,944.76

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Solution

The fourth proportional to 13,249.95, 18,284.97 and 7,944.76 is: 10,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.95 : 18,284.97 = 7,944.76 : x
  2. Step 2: Convert to fraction form
    13,249.95/18,284.97 = 7,944.76/x
  3. Step 3: Cross multiply
    13,249.95x = 18,284.97 × 7,944.76
  4. Step 4: Simplify right side
    13,249.95x = 145,269,698.26
  5. Step 5: Solve for x
    x = 145,269,698.26/13,249.95
  6. Step 6: Final answer
    x = 10,963.79

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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.