Home / 16,960.90-23,381.46-11,909.74

Finding the Fourth Proportional to 16,960.90, 23,381.46 and 11,909.74

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Solution

The fourth proportional to 16,960.90, 23,381.46 and 11,909.74 is: 16,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.90 : 23,381.46 = 11,909.74 : x
  2. Step 2: Convert to fraction form
    16,960.90/23,381.46 = 11,909.74/x
  3. Step 3: Cross multiply
    16,960.90x = 23,381.46 × 11,909.74
  4. Step 4: Simplify right side
    16,960.90x = 278,467,109.42
  5. Step 5: Solve for x
    x = 278,467,109.42/16,960.90
  6. Step 6: Final answer
    x = 16,418.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.