Home / 14,178.21-21,267.32-6,377.91

Finding the Fourth Proportional to 14,178.21, 21,267.32 and 6,377.91

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Solution

The fourth proportional to 14,178.21, 21,267.32 and 6,377.91 is: 9,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.21 : 21,267.32 = 6,377.91 : x
  2. Step 2: Convert to fraction form
    14,178.21/21,267.32 = 6,377.91/x
  3. Step 3: Cross multiply
    14,178.21x = 21,267.32 × 6,377.91
  4. Step 4: Simplify right side
    14,178.21x = 135,640,914.68
  5. Step 5: Solve for x
    x = 135,640,914.68/14,178.21
  6. Step 6: Final answer
    x = 9,566.86

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1.5x scale

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.