Home / 16,977.60-25,466.40-5,290.83

Finding the Fourth Proportional to 16,977.60, 25,466.40 and 5,290.83

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Solution

The fourth proportional to 16,977.60, 25,466.40 and 5,290.83 is: 7,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.60 : 25,466.40 = 5,290.83 : x
  2. Step 2: Convert to fraction form
    16,977.60/25,466.40 = 5,290.83/x
  3. Step 3: Cross multiply
    16,977.60x = 25,466.40 × 5,290.83
  4. Step 4: Simplify right side
    16,977.60x = 134,738,393.11
  5. Step 5: Solve for x
    x = 134,738,393.11/16,977.60
  6. Step 6: Final answer
    x = 7,936.25

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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.