Home / 18,376.26-25,359.12-9,992.76

Finding the Fourth Proportional to 18,376.26, 25,359.12 and 9,992.76

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Solution

The fourth proportional to 18,376.26, 25,359.12 and 9,992.76 is: 13,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.26 : 25,359.12 = 9,992.76 : x
  2. Step 2: Convert to fraction form
    18,376.26/25,359.12 = 9,992.76/x
  3. Step 3: Cross multiply
    18,376.26x = 25,359.12 × 9,992.76
  4. Step 4: Simplify right side
    18,376.26x = 253,407,599.97
  5. Step 5: Solve for x
    x = 253,407,599.97/18,376.26
  6. Step 6: Final answer
    x = 13,789.94

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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.