Home / 22,022.11-30,392.01-12,461.99

Finding the Fourth Proportional to 22,022.11, 30,392.01 and 12,461.99

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Solution

The fourth proportional to 22,022.11, 30,392.01 and 12,461.99 is: 17,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.11 : 30,392.01 = 12,461.99 : x
  2. Step 2: Convert to fraction form
    22,022.11/30,392.01 = 12,461.99/x
  3. Step 3: Cross multiply
    22,022.11x = 30,392.01 × 12,461.99
  4. Step 4: Simplify right side
    22,022.11x = 378,744,772.74
  5. Step 5: Solve for x
    x = 378,744,772.74/22,022.11
  6. Step 6: Final answer
    x = 17,198.39

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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.