Home / 13,422.53-18,524.27-7,455.37

Finding the Fourth Proportional to 13,422.53, 18,524.27 and 7,455.37

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Solution

The fourth proportional to 13,422.53, 18,524.27 and 7,455.37 is: 10,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.53 : 18,524.27 = 7,455.37 : x
  2. Step 2: Convert to fraction form
    13,422.53/18,524.27 = 7,455.37/x
  3. Step 3: Cross multiply
    13,422.53x = 18,524.27 × 7,455.37
  4. Step 4: Simplify right side
    13,422.53x = 138,105,286.83
  5. Step 5: Solve for x
    x = 138,105,286.83/13,422.53
  6. Step 6: Final answer
    x = 10,289.07

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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.