Home / 16,589.43-22,915.80-13,255.63

Finding the Fourth Proportional to 16,589.43, 22,915.80 and 13,255.63

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Solution

The fourth proportional to 16,589.43, 22,915.80 and 13,255.63 is: 18,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,589.43 : 22,915.80 = 13,255.63 : x
  2. Step 2: Convert to fraction form
    16,589.43/22,915.80 = 13,255.63/x
  3. Step 3: Cross multiply
    16,589.43x = 22,915.80 × 13,255.63
  4. Step 4: Simplify right side
    16,589.43x = 303,763,308.66
  5. Step 5: Solve for x
    x = 303,763,308.66/16,589.43
  6. Step 6: Final answer
    x = 18,310.65

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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.