Home / 22,461.36-30,996.62-12,901.88

Finding the Fourth Proportional to 22,461.36, 30,996.62 and 12,901.88

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Solution

The fourth proportional to 22,461.36, 30,996.62 and 12,901.88 is: 17,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.36 : 30,996.62 = 12,901.88 : x
  2. Step 2: Convert to fraction form
    22,461.36/30,996.62 = 12,901.88/x
  3. Step 3: Cross multiply
    22,461.36x = 30,996.62 × 12,901.88
  4. Step 4: Simplify right side
    22,461.36x = 399,914,452.15
  5. Step 5: Solve for x
    x = 399,914,452.15/22,461.36
  6. Step 6: Final answer
    x = 17,804.55

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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.