Home / 14,149.26-21,217.71-7,124.82

Finding the Fourth Proportional to 14,149.26, 21,217.71 and 7,124.82

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Solution

The fourth proportional to 14,149.26, 21,217.71 and 7,124.82 is: 10,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.26 : 21,217.71 = 7,124.82 : x
  2. Step 2: Convert to fraction form
    14,149.26/21,217.71 = 7,124.82/x
  3. Step 3: Cross multiply
    14,149.26x = 21,217.71 × 7,124.82
  4. Step 4: Simplify right side
    14,149.26x = 151,172,364.56
  5. Step 5: Solve for x
    x = 151,172,364.56/14,149.26
  6. Step 6: Final answer
    x = 10,684.12

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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.