Home / 21,884.70-30,195.27-13,266.30

Finding the Fourth Proportional to 21,884.70, 30,195.27 and 13,266.30

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Solution

The fourth proportional to 21,884.70, 30,195.27 and 13,266.30 is: 18,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.70 : 30,195.27 = 13,266.30 : x
  2. Step 2: Convert to fraction form
    21,884.70/30,195.27 = 13,266.30/x
  3. Step 3: Cross multiply
    21,884.70x = 30,195.27 × 13,266.30
  4. Step 4: Simplify right side
    21,884.70x = 400,579,510.40
  5. Step 5: Solve for x
    x = 400,579,510.40/21,884.70
  6. Step 6: Final answer
    x = 18,304.09

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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.