Home / 12,388.08-18,583.08-3,154

Finding the Fourth Proportional to 12,388.08, 18,583.08 and 3,154

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Solution

The fourth proportional to 12,388.08, 18,583.08 and 3,154 is: 4,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.08 : 18,583.08 = 3,154 : x
  2. Step 2: Convert to fraction form
    12,388.08/18,583.08 = 3,154/x
  3. Step 3: Cross multiply
    12,388.08x = 18,583.08 × 3,154
  4. Step 4: Simplify right side
    12,388.08x = 58,611,034.32
  5. Step 5: Solve for x
    x = 58,611,034.32/12,388.08
  6. Step 6: Final answer
    x = 4,731.24

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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.