Home / 12,215.54-16,814.85-10,542.26

Finding the Fourth Proportional to 12,215.54, 16,814.85 and 10,542.26

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Solution

The fourth proportional to 12,215.54, 16,814.85 and 10,542.26 is: 14,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.54 : 16,814.85 = 10,542.26 : x
  2. Step 2: Convert to fraction form
    12,215.54/16,814.85 = 10,542.26/x
  3. Step 3: Cross multiply
    12,215.54x = 16,814.85 × 10,542.26
  4. Step 4: Simplify right side
    12,215.54x = 177,266,520.56
  5. Step 5: Solve for x
    x = 177,266,520.56/12,215.54
  6. Step 6: Final answer
    x = 14,511.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.