Home / 16,972.05-25,427.70-8,187.60

Finding the Fourth Proportional to 16,972.05, 25,427.70 and 8,187.60

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Solution

The fourth proportional to 16,972.05, 25,427.70 and 8,187.60 is: 12,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.05 : 25,427.70 = 8,187.60 : x
  2. Step 2: Convert to fraction form
    16,972.05/25,427.70 = 8,187.60/x
  3. Step 3: Cross multiply
    16,972.05x = 25,427.70 × 8,187.60
  4. Step 4: Simplify right side
    16,972.05x = 208,191,836.52
  5. Step 5: Solve for x
    x = 208,191,836.52/16,972.05
  6. Step 6: Final answer
    x = 12,266.75

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Why These Related Problems?

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