Home / 18,675.56-25,770.67-10,717.61

Finding the Fourth Proportional to 18,675.56, 25,770.67 and 10,717.61

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Solution

The fourth proportional to 18,675.56, 25,770.67 and 10,717.61 is: 14,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.56 : 25,770.67 = 10,717.61 : x
  2. Step 2: Convert to fraction form
    18,675.56/25,770.67 = 10,717.61/x
  3. Step 3: Cross multiply
    18,675.56x = 25,770.67 × 10,717.61
  4. Step 4: Simplify right side
    18,675.56x = 276,199,990.50
  5. Step 5: Solve for x
    x = 276,199,990.50/18,675.56
  6. Step 6: Final answer
    x = 14,789.38

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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.