Home / 12,660.41-18,985.15-4,341.24

Finding the Fourth Proportional to 12,660.41, 18,985.15 and 4,341.24

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Solution

The fourth proportional to 12,660.41, 18,985.15 and 4,341.24 is: 6,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.41 : 18,985.15 = 4,341.24 : x
  2. Step 2: Convert to fraction form
    12,660.41/18,985.15 = 4,341.24/x
  3. Step 3: Cross multiply
    12,660.41x = 18,985.15 × 4,341.24
  4. Step 4: Simplify right side
    12,660.41x = 82,419,092.59
  5. Step 5: Solve for x
    x = 82,419,092.59/12,660.41
  6. Step 6: Final answer
    x = 6,509.99

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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.