Home / 13,876.62-20,810.21-4,514.31

Finding the Fourth Proportional to 13,876.62, 20,810.21 and 4,514.31

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Solution

The fourth proportional to 13,876.62, 20,810.21 and 4,514.31 is: 6,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.62 : 20,810.21 = 4,514.31 : x
  2. Step 2: Convert to fraction form
    13,876.62/20,810.21 = 4,514.31/x
  3. Step 3: Cross multiply
    13,876.62x = 20,810.21 × 4,514.31
  4. Step 4: Simplify right side
    13,876.62x = 93,943,716.53
  5. Step 5: Solve for x
    x = 93,943,716.53/13,876.62
  6. Step 6: Final answer
    x = 6,769.93

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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.