Home / 12,821.56-19,199.67-10,853.26

Finding the Fourth Proportional to 12,821.56, 19,199.67 and 10,853.26

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Solution

The fourth proportional to 12,821.56, 19,199.67 and 10,853.26 is: 16,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.56 : 19,199.67 = 10,853.26 : x
  2. Step 2: Convert to fraction form
    12,821.56/19,199.67 = 10,853.26/x
  3. Step 3: Cross multiply
    12,821.56x = 19,199.67 × 10,853.26
  4. Step 4: Simplify right side
    12,821.56x = 208,379,010.42
  5. Step 5: Solve for x
    x = 208,379,010.42/12,821.56
  6. Step 6: Final answer
    x = 16,252.24

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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.