Home / 23,125.52-31,910.82-13,054.52

Finding the Fourth Proportional to 23,125.52, 31,910.82 and 13,054.52

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Solution

The fourth proportional to 23,125.52, 31,910.82 and 13,054.52 is: 18,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.52 : 31,910.82 = 13,054.52 : x
  2. Step 2: Convert to fraction form
    23,125.52/31,910.82 = 13,054.52/x
  3. Step 3: Cross multiply
    23,125.52x = 31,910.82 × 13,054.52
  4. Step 4: Simplify right side
    23,125.52x = 416,580,437.91
  5. Step 5: Solve for x
    x = 416,580,437.91/23,125.52
  6. Step 6: Final answer
    x = 18,013.88

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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.