Home / 14,452.60-21,680.36-5,216.44

Finding the Fourth Proportional to 14,452.60, 21,680.36 and 5,216.44

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Solution

The fourth proportional to 14,452.60, 21,680.36 and 5,216.44 is: 7,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.60 : 21,680.36 = 5,216.44 : x
  2. Step 2: Convert to fraction form
    14,452.60/21,680.36 = 5,216.44/x
  3. Step 3: Cross multiply
    14,452.60x = 21,680.36 × 5,216.44
  4. Step 4: Simplify right side
    14,452.60x = 113,094,297.12
  5. Step 5: Solve for x
    x = 113,094,297.12/14,452.60
  6. Step 6: Final answer
    x = 7,825.19

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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.