Home / 18,766.28-25,897.86-10,382.84

Finding the Fourth Proportional to 18,766.28, 25,897.86 and 10,382.84

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Solution

The fourth proportional to 18,766.28, 25,897.86 and 10,382.84 is: 14,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.28 : 25,897.86 = 10,382.84 : x
  2. Step 2: Convert to fraction form
    18,766.28/25,897.86 = 10,382.84/x
  3. Step 3: Cross multiply
    18,766.28x = 25,897.86 × 10,382.84
  4. Step 4: Simplify right side
    18,766.28x = 268,893,336.72
  5. Step 5: Solve for x
    x = 268,893,336.72/18,766.28
  6. Step 6: Final answer
    x = 14,328.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.