Home / 12,402.44-18,606.40-4,085.02

Finding the Fourth Proportional to 12,402.44, 18,606.40 and 4,085.02

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Solution

The fourth proportional to 12,402.44, 18,606.40 and 4,085.02 is: 6,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.44 : 18,606.40 = 4,085.02 : x
  2. Step 2: Convert to fraction form
    12,402.44/18,606.40 = 4,085.02/x
  3. Step 3: Cross multiply
    12,402.44x = 18,606.40 × 4,085.02
  4. Step 4: Simplify right side
    12,402.44x = 76,007,516.13
  5. Step 5: Solve for x
    x = 76,007,516.13/12,402.44
  6. Step 6: Final answer
    x = 6,128.43

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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.