Home / 14,120.92-21,186.24-6,335.20

Finding the Fourth Proportional to 14,120.92, 21,186.24 and 6,335.20

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Solution

The fourth proportional to 14,120.92, 21,186.24 and 6,335.20 is: 9,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.92 : 21,186.24 = 6,335.20 : x
  2. Step 2: Convert to fraction form
    14,120.92/21,186.24 = 6,335.20/x
  3. Step 3: Cross multiply
    14,120.92x = 21,186.24 × 6,335.20
  4. Step 4: Simplify right side
    14,120.92x = 134,219,067.65
  5. Step 5: Solve for x
    x = 134,219,067.65/14,120.92
  6. Step 6: Final answer
    x = 9,504.98

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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.