Home / 22,939.67-31,654.86-12,866.73

Finding the Fourth Proportional to 22,939.67, 31,654.86 and 12,866.73

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Solution

The fourth proportional to 22,939.67, 31,654.86 and 12,866.73 is: 17,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.67 : 31,654.86 = 12,866.73 : x
  2. Step 2: Convert to fraction form
    22,939.67/31,654.86 = 12,866.73/x
  3. Step 3: Cross multiply
    22,939.67x = 31,654.86 × 12,866.73
  4. Step 4: Simplify right side
    22,939.67x = 407,294,536.81
  5. Step 5: Solve for x
    x = 407,294,536.81/22,939.67
  6. Step 6: Final answer
    x = 17,755.03

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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.