Home / 10,721.94-14,797.72-6,247.09

Finding the Fourth Proportional to 10,721.94, 14,797.72 and 6,247.09

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Solution

The fourth proportional to 10,721.94, 14,797.72 and 6,247.09 is: 8,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.94 : 14,797.72 = 6,247.09 : x
  2. Step 2: Convert to fraction form
    10,721.94/14,797.72 = 6,247.09/x
  3. Step 3: Cross multiply
    10,721.94x = 14,797.72 × 6,247.09
  4. Step 4: Simplify right side
    10,721.94x = 92,442,714.94
  5. Step 5: Solve for x
    x = 92,442,714.94/10,721.94
  6. Step 6: Final answer
    x = 8,621.83

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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.