Home / 11,937.45-17,909.18-4,537.87

Finding the Fourth Proportional to 11,937.45, 17,909.18 and 4,537.87

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Solution

The fourth proportional to 11,937.45, 17,909.18 and 4,537.87 is: 6,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.45 : 17,909.18 = 4,537.87 : x
  2. Step 2: Convert to fraction form
    11,937.45/17,909.18 = 4,537.87/x
  3. Step 3: Cross multiply
    11,937.45x = 17,909.18 × 4,537.87
  4. Step 4: Simplify right side
    11,937.45x = 81,269,568.18
  5. Step 5: Solve for x
    x = 81,269,568.18/11,937.45
  6. Step 6: Final answer
    x = 6,807.95

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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.