Home / 10,311.45-15,453.27-7,525.05

Finding the Fourth Proportional to 10,311.45, 15,453.27 and 7,525.05

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Solution

The fourth proportional to 10,311.45, 15,453.27 and 7,525.05 is: 11,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.45 : 15,453.27 = 7,525.05 : x
  2. Step 2: Convert to fraction form
    10,311.45/15,453.27 = 7,525.05/x
  3. Step 3: Cross multiply
    10,311.45x = 15,453.27 × 7,525.05
  4. Step 4: Simplify right side
    10,311.45x = 116,286,629.41
  5. Step 5: Solve for x
    x = 116,286,629.41/10,311.45
  6. Step 6: Final answer
    x = 11,277.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.