Home / 12,652.44-18,972.36-3,885.24

Finding the Fourth Proportional to 12,652.44, 18,972.36 and 3,885.24

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Solution

The fourth proportional to 12,652.44, 18,972.36 and 3,885.24 is: 5,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.44 : 18,972.36 = 3,885.24 : x
  2. Step 2: Convert to fraction form
    12,652.44/18,972.36 = 3,885.24/x
  3. Step 3: Cross multiply
    12,652.44x = 18,972.36 × 3,885.24
  4. Step 4: Simplify right side
    12,652.44x = 73,712,171.97
  5. Step 5: Solve for x
    x = 73,712,171.97/12,652.44
  6. Step 6: Final answer
    x = 5,825.93

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1.5x scale

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.