Home / 11,680.53-17,589.30-8,416.23

Finding the Fourth Proportional to 11,680.53, 17,589.30 and 8,416.23

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Solution

The fourth proportional to 11,680.53, 17,589.30 and 8,416.23 is: 12,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.53 : 17,589.30 = 8,416.23 : x
  2. Step 2: Convert to fraction form
    11,680.53/17,589.30 = 8,416.23/x
  3. Step 3: Cross multiply
    11,680.53x = 17,589.30 × 8,416.23
  4. Step 4: Simplify right side
    11,680.53x = 148,035,594.34
  5. Step 5: Solve for x
    x = 148,035,594.34/11,680.53
  6. Step 6: Final answer
    x = 12,673.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.