Home / 23,175.88-31,981.44-13,103.74

Finding the Fourth Proportional to 23,175.88, 31,981.44 and 13,103.74

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Solution

The fourth proportional to 23,175.88, 31,981.44 and 13,103.74 is: 18,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.88 : 31,981.44 = 13,103.74 : x
  2. Step 2: Convert to fraction form
    23,175.88/31,981.44 = 13,103.74/x
  3. Step 3: Cross multiply
    23,175.88x = 31,981.44 × 13,103.74
  4. Step 4: Simplify right side
    23,175.88x = 419,076,474.59
  5. Step 5: Solve for x
    x = 419,076,474.59/23,175.88
  6. Step 6: Final answer
    x = 18,082.44

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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.