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Finding the Fourth Proportional to 17,369.80, 26,016.30 and 13,443.40

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Solution

The fourth proportional to 17,369.80, 26,016.30 and 13,443.40 is: 20,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.80 : 26,016.30 = 13,443.40 : x
  2. Step 2: Convert to fraction form
    17,369.80/26,016.30 = 13,443.40/x
  3. Step 3: Cross multiply
    17,369.80x = 26,016.30 × 13,443.40
  4. Step 4: Simplify right side
    17,369.80x = 349,747,527.42
  5. Step 5: Solve for x
    x = 349,747,527.42/17,369.80
  6. Step 6: Final answer
    x = 20,135.38

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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.