Home / 10,120.28-15,175.97-4,573.40

Finding the Fourth Proportional to 10,120.28, 15,175.97 and 4,573.40

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Solution

The fourth proportional to 10,120.28, 15,175.97 and 4,573.40 is: 6,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.28 : 15,175.97 = 4,573.40 : x
  2. Step 2: Convert to fraction form
    10,120.28/15,175.97 = 4,573.40/x
  3. Step 3: Cross multiply
    10,120.28x = 15,175.97 × 4,573.40
  4. Step 4: Simplify right side
    10,120.28x = 69,405,796.27
  5. Step 5: Solve for x
    x = 69,405,796.27/10,120.28
  6. Step 6: Final answer
    x = 6,858.09

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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.