Home / 18,696.42-28,017.90-13,727.07

Finding the Fourth Proportional to 18,696.42, 28,017.90 and 13,727.07

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Solution

The fourth proportional to 18,696.42, 28,017.90 and 13,727.07 is: 20,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.42 : 28,017.90 = 13,727.07 : x
  2. Step 2: Convert to fraction form
    18,696.42/28,017.90 = 13,727.07/x
  3. Step 3: Cross multiply
    18,696.42x = 28,017.90 × 13,727.07
  4. Step 4: Simplify right side
    18,696.42x = 384,603,674.55
  5. Step 5: Solve for x
    x = 384,603,674.55/18,696.42
  6. Step 6: Final answer
    x = 20,570.98

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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.