Home / 19,686.30-29,496.58-13,832.43

Finding the Fourth Proportional to 19,686.30, 29,496.58 and 13,832.43

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Solution

The fourth proportional to 19,686.30, 29,496.58 and 13,832.43 is: 20,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.30 : 29,496.58 = 13,832.43 : x
  2. Step 2: Convert to fraction form
    19,686.30/29,496.58 = 13,832.43/x
  3. Step 3: Cross multiply
    19,686.30x = 29,496.58 × 13,832.43
  4. Step 4: Simplify right side
    19,686.30x = 408,009,378.09
  5. Step 5: Solve for x
    x = 408,009,378.09/19,686.30
  6. Step 6: Final answer
    x = 20,725.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.