Home / 21,466.62-29,634.26-13,513.23

Finding the Fourth Proportional to 21,466.62, 29,634.26 and 13,513.23

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Solution

The fourth proportional to 21,466.62, 29,634.26 and 13,513.23 is: 18,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.62 : 29,634.26 = 13,513.23 : x
  2. Step 2: Convert to fraction form
    21,466.62/29,634.26 = 13,513.23/x
  3. Step 3: Cross multiply
    21,466.62x = 29,634.26 × 13,513.23
  4. Step 4: Simplify right side
    21,466.62x = 400,454,503.69
  5. Step 5: Solve for x
    x = 400,454,503.69/21,466.62
  6. Step 6: Final answer
    x = 18,654.75

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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.