Home / 18,626.42-27,957.98-13,682.18

Finding the Fourth Proportional to 18,626.42, 27,957.98 and 13,682.18

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Solution

The fourth proportional to 18,626.42, 27,957.98 and 13,682.18 is: 20,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.42 : 27,957.98 = 13,682.18 : x
  2. Step 2: Convert to fraction form
    18,626.42/27,957.98 = 13,682.18/x
  3. Step 3: Cross multiply
    18,626.42x = 27,957.98 × 13,682.18
  4. Step 4: Simplify right side
    18,626.42x = 382,526,114.80
  5. Step 5: Solve for x
    x = 382,526,114.80/18,626.42
  6. Step 6: Final answer
    x = 20,536.75

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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.