Home / 11,972.34-16,521.05-6,936.15

Finding the Fourth Proportional to 11,972.34, 16,521.05 and 6,936.15

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Solution

The fourth proportional to 11,972.34, 16,521.05 and 6,936.15 is: 9,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.34 : 16,521.05 = 6,936.15 : x
  2. Step 2: Convert to fraction form
    11,972.34/16,521.05 = 6,936.15/x
  3. Step 3: Cross multiply
    11,972.34x = 16,521.05 × 6,936.15
  4. Step 4: Simplify right side
    11,972.34x = 114,592,446.28
  5. Step 5: Solve for x
    x = 114,592,446.28/11,972.34
  6. Step 6: Final answer
    x = 9,571.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.