Home / 23,105.74-31,885.94-12,495.36

Finding the Fourth Proportional to 23,105.74, 31,885.94 and 12,495.36

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Solution

The fourth proportional to 23,105.74, 31,885.94 and 12,495.36 is: 17,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.74 : 31,885.94 = 12,495.36 : x
  2. Step 2: Convert to fraction form
    23,105.74/31,885.94 = 12,495.36/x
  3. Step 3: Cross multiply
    23,105.74x = 31,885.94 × 12,495.36
  4. Step 4: Simplify right side
    23,105.74x = 398,426,299.24
  5. Step 5: Solve for x
    x = 398,426,299.24/23,105.74
  6. Step 6: Final answer
    x = 17,243.61

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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.