Home / 14,811.28-22,216.96-4,422.80

Finding the Fourth Proportional to 14,811.28, 22,216.96 and 4,422.80

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Solution

The fourth proportional to 14,811.28, 22,216.96 and 4,422.80 is: 6,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.28 : 22,216.96 = 4,422.80 : x
  2. Step 2: Convert to fraction form
    14,811.28/22,216.96 = 4,422.80/x
  3. Step 3: Cross multiply
    14,811.28x = 22,216.96 × 4,422.80
  4. Step 4: Simplify right side
    14,811.28x = 98,261,170.69
  5. Step 5: Solve for x
    x = 98,261,170.69/14,811.28
  6. Step 6: Final answer
    x = 6,634.21

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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.