Home / 11,589.40-17,384.10-11,135.80

Finding the Fourth Proportional to 11,589.40, 17,384.10 and 11,135.80

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Solution

The fourth proportional to 11,589.40, 17,384.10 and 11,135.80 is: 16,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.40 : 17,384.10 = 11,135.80 : x
  2. Step 2: Convert to fraction form
    11,589.40/17,384.10 = 11,135.80/x
  3. Step 3: Cross multiply
    11,589.40x = 17,384.10 × 11,135.80
  4. Step 4: Simplify right side
    11,589.40x = 193,585,860.78
  5. Step 5: Solve for x
    x = 193,585,860.78/11,589.40
  6. Step 6: Final answer
    x = 16,703.70

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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.