Home / 14,914.80-22,372.20-6,145.20

Finding the Fourth Proportional to 14,914.80, 22,372.20 and 6,145.20

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Solution

The fourth proportional to 14,914.80, 22,372.20 and 6,145.20 is: 9,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.80 : 22,372.20 = 6,145.20 : x
  2. Step 2: Convert to fraction form
    14,914.80/22,372.20 = 6,145.20/x
  3. Step 3: Cross multiply
    14,914.80x = 22,372.20 × 6,145.20
  4. Step 4: Simplify right side
    14,914.80x = 137,481,643.44
  5. Step 5: Solve for x
    x = 137,481,643.44/14,914.80
  6. Step 6: Final answer
    x = 9,217.80

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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.