Home / 12,264.39-18,388.40-4,866.87

Finding the Fourth Proportional to 12,264.39, 18,388.40 and 4,866.87

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Solution

The fourth proportional to 12,264.39, 18,388.40 and 4,866.87 is: 7,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.39 : 18,388.40 = 4,866.87 : x
  2. Step 2: Convert to fraction form
    12,264.39/18,388.40 = 4,866.87/x
  3. Step 3: Cross multiply
    12,264.39x = 18,388.40 × 4,866.87
  4. Step 4: Simplify right side
    12,264.39x = 89,493,927.97
  5. Step 5: Solve for x
    x = 89,493,927.97/12,264.39
  6. Step 6: Final answer
    x = 7,297.05

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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.