Home / 14,126.16-21,195.33-6,730.65

Finding the Fourth Proportional to 14,126.16, 21,195.33 and 6,730.65

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Solution

The fourth proportional to 14,126.16, 21,195.33 and 6,730.65 is: 10,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.16 : 21,195.33 = 6,730.65 : x
  2. Step 2: Convert to fraction form
    14,126.16/21,195.33 = 6,730.65/x
  3. Step 3: Cross multiply
    14,126.16x = 21,195.33 × 6,730.65
  4. Step 4: Simplify right side
    14,126.16x = 142,658,347.86
  5. Step 5: Solve for x
    x = 142,658,347.86/14,126.16
  6. Step 6: Final answer
    x = 10,098.88

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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.