Home / 14,120.46-21,175.83-5,357.88

Finding the Fourth Proportional to 14,120.46, 21,175.83 and 5,357.88

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Solution

The fourth proportional to 14,120.46, 21,175.83 and 5,357.88 is: 8,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.46 : 21,175.83 = 5,357.88 : x
  2. Step 2: Convert to fraction form
    14,120.46/21,175.83 = 5,357.88/x
  3. Step 3: Cross multiply
    14,120.46x = 21,175.83 × 5,357.88
  4. Step 4: Simplify right side
    14,120.46x = 113,457,556.04
  5. Step 5: Solve for x
    x = 113,457,556.04/14,120.46
  6. Step 6: Final answer
    x = 8,034.98

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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.