Home / 13,249.56-18,282.18-7,947.36

Finding the Fourth Proportional to 13,249.56, 18,282.18 and 7,947.36

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Solution

The fourth proportional to 13,249.56, 18,282.18 and 7,947.36 is: 10,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.56 : 18,282.18 = 7,947.36 : x
  2. Step 2: Convert to fraction form
    13,249.56/18,282.18 = 7,947.36/x
  3. Step 3: Cross multiply
    13,249.56x = 18,282.18 × 7,947.36
  4. Step 4: Simplify right side
    13,249.56x = 145,295,066.04
  5. Step 5: Solve for x
    x = 145,295,066.04/13,249.56
  6. Step 6: Final answer
    x = 10,966.03

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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.