Home / 14,132.40-21,198.94-4,271.64

Finding the Fourth Proportional to 14,132.40, 21,198.94 and 4,271.64

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Solution

The fourth proportional to 14,132.40, 21,198.94 and 4,271.64 is: 6,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.40 : 21,198.94 = 4,271.64 : x
  2. Step 2: Convert to fraction form
    14,132.40/21,198.94 = 4,271.64/x
  3. Step 3: Cross multiply
    14,132.40x = 21,198.94 × 4,271.64
  4. Step 4: Simplify right side
    14,132.40x = 90,554,229.38
  5. Step 5: Solve for x
    x = 90,554,229.38/14,132.40
  6. Step 6: Final answer
    x = 6,407.56

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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.