Home / 14,449.20-21,673.80-8,206.80

Finding the Fourth Proportional to 14,449.20, 21,673.80 and 8,206.80

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Solution

The fourth proportional to 14,449.20, 21,673.80 and 8,206.80 is: 12,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.20 : 21,673.80 = 8,206.80 : x
  2. Step 2: Convert to fraction form
    14,449.20/21,673.80 = 8,206.80/x
  3. Step 3: Cross multiply
    14,449.20x = 21,673.80 × 8,206.80
  4. Step 4: Simplify right side
    14,449.20x = 177,872,541.84
  5. Step 5: Solve for x
    x = 177,872,541.84/14,449.20
  6. Step 6: Final answer
    x = 12,310.20

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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.