Home / 23,175.40-31,982.09-12,565.06

Finding the Fourth Proportional to 23,175.40, 31,982.09 and 12,565.06

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Solution

The fourth proportional to 23,175.40, 31,982.09 and 12,565.06 is: 17,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.40 : 31,982.09 = 12,565.06 : x
  2. Step 2: Convert to fraction form
    23,175.40/31,982.09 = 12,565.06/x
  3. Step 3: Cross multiply
    23,175.40x = 31,982.09 × 12,565.06
  4. Step 4: Simplify right side
    23,175.40x = 401,856,879.78
  5. Step 5: Solve for x
    x = 401,856,879.78/23,175.40
  6. Step 6: Final answer
    x = 17,339.80

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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.