Home / 12,374.62-18,562.56-3,610.20

Finding the Fourth Proportional to 12,374.62, 18,562.56 and 3,610.20

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Solution

The fourth proportional to 12,374.62, 18,562.56 and 3,610.20 is: 5,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.62 : 18,562.56 = 3,610.20 : x
  2. Step 2: Convert to fraction form
    12,374.62/18,562.56 = 3,610.20/x
  3. Step 3: Cross multiply
    12,374.62x = 18,562.56 × 3,610.20
  4. Step 4: Simplify right side
    12,374.62x = 67,014,554.11
  5. Step 5: Solve for x
    x = 67,014,554.11/12,374.62
  6. Step 6: Final answer
    x = 5,415.48

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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.