Home / 16,861.02-25,296.36-5,175.96

Finding the Fourth Proportional to 16,861.02, 25,296.36 and 5,175.96

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Solution

The fourth proportional to 16,861.02, 25,296.36 and 5,175.96 is: 7,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.02 : 25,296.36 = 5,175.96 : x
  2. Step 2: Convert to fraction form
    16,861.02/25,296.36 = 5,175.96/x
  3. Step 3: Cross multiply
    16,861.02x = 25,296.36 × 5,175.96
  4. Step 4: Simplify right side
    16,861.02x = 130,932,947.51
  5. Step 5: Solve for x
    x = 130,932,947.51/16,861.02
  6. Step 6: Final answer
    x = 7,765.42

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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.