Home / 22,469.68-30,979.66-14,811.76

Finding the Fourth Proportional to 22,469.68, 30,979.66 and 14,811.76

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Solution

The fourth proportional to 22,469.68, 30,979.66 and 14,811.76 is: 20,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.68 : 30,979.66 = 14,811.76 : x
  2. Step 2: Convert to fraction form
    22,469.68/30,979.66 = 14,811.76/x
  3. Step 3: Cross multiply
    22,469.68x = 30,979.66 × 14,811.76
  4. Step 4: Simplify right side
    22,469.68x = 458,863,288.80
  5. Step 5: Solve for x
    x = 458,863,288.80/22,469.68
  6. Step 6: Final answer
    x = 20,421.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.