Home / 12,373.86-18,557.13-3,606.03

Finding the Fourth Proportional to 12,373.86, 18,557.13 and 3,606.03

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Solution

The fourth proportional to 12,373.86, 18,557.13 and 3,606.03 is: 5,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.86 : 18,557.13 = 3,606.03 : x
  2. Step 2: Convert to fraction form
    12,373.86/18,557.13 = 3,606.03/x
  3. Step 3: Cross multiply
    12,373.86x = 18,557.13 × 3,606.03
  4. Step 4: Simplify right side
    12,373.86x = 66,917,567.49
  5. Step 5: Solve for x
    x = 66,917,567.49/12,373.86
  6. Step 6: Final answer
    x = 5,407.98

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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.