Home / 22,944.63-31,663.09-12,872.89

Finding the Fourth Proportional to 22,944.63, 31,663.09 and 12,872.89

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Solution

The fourth proportional to 22,944.63, 31,663.09 and 12,872.89 is: 17,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,944.63 : 31,663.09 = 12,872.89 : x
  2. Step 2: Convert to fraction form
    22,944.63/31,663.09 = 12,872.89/x
  3. Step 3: Cross multiply
    22,944.63x = 31,663.09 × 12,872.89
  4. Step 4: Simplify right side
    22,944.63x = 407,595,474.63
  5. Step 5: Solve for x
    x = 407,595,474.63/22,944.63
  6. Step 6: Final answer
    x = 17,764.31

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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.