Home / 14,132.88-21,199.44-4,272.60

Finding the Fourth Proportional to 14,132.88, 21,199.44 and 4,272.60

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Solution

The fourth proportional to 14,132.88, 21,199.44 and 4,272.60 is: 6,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.88 : 21,199.44 = 4,272.60 : x
  2. Step 2: Convert to fraction form
    14,132.88/21,199.44 = 4,272.60/x
  3. Step 3: Cross multiply
    14,132.88x = 21,199.44 × 4,272.60
  4. Step 4: Simplify right side
    14,132.88x = 90,576,727.34
  5. Step 5: Solve for x
    x = 90,576,727.34/14,132.88
  6. Step 6: Final answer
    x = 6,408.94

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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.