Home / 23,124.78-31,912.43-12,514.64

Finding the Fourth Proportional to 23,124.78, 31,912.43 and 12,514.64

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Solution

The fourth proportional to 23,124.78, 31,912.43 and 12,514.64 is: 17,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.78 : 31,912.43 = 12,514.64 : x
  2. Step 2: Convert to fraction form
    23,124.78/31,912.43 = 12,514.64/x
  3. Step 3: Cross multiply
    23,124.78x = 31,912.43 × 12,514.64
  4. Step 4: Simplify right side
    23,124.78x = 399,372,572.98
  5. Step 5: Solve for x
    x = 399,372,572.98/23,124.78
  6. Step 6: Final answer
    x = 17,270.33

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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.