Home / 23,146.89-31,942.13-13,076.39

Finding the Fourth Proportional to 23,146.89, 31,942.13 and 13,076.39

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Solution

The fourth proportional to 23,146.89, 31,942.13 and 13,076.39 is: 18,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.89 : 31,942.13 = 13,076.39 : x
  2. Step 2: Convert to fraction form
    23,146.89/31,942.13 = 13,076.39/x
  3. Step 3: Cross multiply
    23,146.89x = 31,942.13 × 13,076.39
  4. Step 4: Simplify right side
    23,146.89x = 417,687,524.22
  5. Step 5: Solve for x
    x = 417,687,524.22/23,146.89
  6. Step 6: Final answer
    x = 18,045.08

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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.