Home / 13,454.88-20,175.84-5,018.76

Finding the Fourth Proportional to 13,454.88, 20,175.84 and 5,018.76

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Solution

The fourth proportional to 13,454.88, 20,175.84 and 5,018.76 is: 7,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.88 : 20,175.84 = 5,018.76 : x
  2. Step 2: Convert to fraction form
    13,454.88/20,175.84 = 5,018.76/x
  3. Step 3: Cross multiply
    13,454.88x = 20,175.84 × 5,018.76
  4. Step 4: Simplify right side
    13,454.88x = 101,257,698.76
  5. Step 5: Solve for x
    x = 101,257,698.76/13,454.88
  6. Step 6: Final answer
    x = 7,525.72

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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.