Home / 14,111.40-21,175.20-5,352.60

Finding the Fourth Proportional to 14,111.40, 21,175.20 and 5,352.60

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Solution

The fourth proportional to 14,111.40, 21,175.20 and 5,352.60 is: 8,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.40 : 21,175.20 = 5,352.60 : x
  2. Step 2: Convert to fraction form
    14,111.40/21,175.20 = 5,352.60/x
  3. Step 3: Cross multiply
    14,111.40x = 21,175.20 × 5,352.60
  4. Step 4: Simplify right side
    14,111.40x = 113,342,375.52
  5. Step 5: Solve for x
    x = 113,342,375.52/14,111.40
  6. Step 6: Final answer
    x = 8,031.97

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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.