Home / 12,652.03-18,972.78-4,330.36

Finding the Fourth Proportional to 12,652.03, 18,972.78 and 4,330.36

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Solution

The fourth proportional to 12,652.03, 18,972.78 and 4,330.36 is: 6,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.03 : 18,972.78 = 4,330.36 : x
  2. Step 2: Convert to fraction form
    12,652.03/18,972.78 = 4,330.36/x
  3. Step 3: Cross multiply
    12,652.03x = 18,972.78 × 4,330.36
  4. Step 4: Simplify right side
    12,652.03x = 82,158,967.60
  5. Step 5: Solve for x
    x = 82,158,967.60/12,652.03
  6. Step 6: Final answer
    x = 6,493.74

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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.