Home / 16,853.40-25,273.62-6,987.60

Finding the Fourth Proportional to 16,853.40, 25,273.62 and 6,987.60

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Solution

The fourth proportional to 16,853.40, 25,273.62 and 6,987.60 is: 10,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.40 : 25,273.62 = 6,987.60 : x
  2. Step 2: Convert to fraction form
    16,853.40/25,273.62 = 6,987.60/x
  3. Step 3: Cross multiply
    16,853.40x = 25,273.62 × 6,987.60
  4. Step 4: Simplify right side
    16,853.40x = 176,601,947.11
  5. Step 5: Solve for x
    x = 176,601,947.11/16,853.40
  6. Step 6: Final answer
    x = 10,478.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.