Home / 12,647.21-18,971.73-4,856.02

Finding the Fourth Proportional to 12,647.21, 18,971.73 and 4,856.02

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Solution

The fourth proportional to 12,647.21, 18,971.73 and 4,856.02 is: 7,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.21 : 18,971.73 = 4,856.02 : x
  2. Step 2: Convert to fraction form
    12,647.21/18,971.73 = 4,856.02/x
  3. Step 3: Cross multiply
    12,647.21x = 18,971.73 × 4,856.02
  4. Step 4: Simplify right side
    12,647.21x = 92,127,124.03
  5. Step 5: Solve for x
    x = 92,127,124.03/12,647.21
  6. Step 6: Final answer
    x = 7,284.38

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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.