Home / 13,512.67-18,649.35-7,544.72

Finding the Fourth Proportional to 13,512.67, 18,649.35 and 7,544.72

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Solution

The fourth proportional to 13,512.67, 18,649.35 and 7,544.72 is: 10,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.67 : 18,649.35 = 7,544.72 : x
  2. Step 2: Convert to fraction form
    13,512.67/18,649.35 = 7,544.72/x
  3. Step 3: Cross multiply
    13,512.67x = 18,649.35 × 7,544.72
  4. Step 4: Simplify right side
    13,512.67x = 140,704,170.56
  5. Step 5: Solve for x
    x = 140,704,170.56/13,512.67
  6. Step 6: Final answer
    x = 10,412.76

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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.