Home / 16,972.80-25,466.40-8,203.20

Finding the Fourth Proportional to 16,972.80, 25,466.40 and 8,203.20

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Solution

The fourth proportional to 16,972.80, 25,466.40 and 8,203.20 is: 12,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.80 : 25,466.40 = 8,203.20 : x
  2. Step 2: Convert to fraction form
    16,972.80/25,466.40 = 8,203.20/x
  3. Step 3: Cross multiply
    16,972.80x = 25,466.40 × 8,203.20
  4. Step 4: Simplify right side
    16,972.80x = 208,905,972.48
  5. Step 5: Solve for x
    x = 208,905,972.48/16,972.80
  6. Step 6: Final answer
    x = 12,308.28

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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.