Home / 14,199.62-19,595.16-8,231.13

Finding the Fourth Proportional to 14,199.62, 19,595.16 and 8,231.13

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Solution

The fourth proportional to 14,199.62, 19,595.16 and 8,231.13 is: 11,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.62 : 19,595.16 = 8,231.13 : x
  2. Step 2: Convert to fraction form
    14,199.62/19,595.16 = 8,231.13/x
  3. Step 3: Cross multiply
    14,199.62x = 19,595.16 × 8,231.13
  4. Step 4: Simplify right side
    14,199.62x = 161,290,309.33
  5. Step 5: Solve for x
    x = 161,290,309.33/14,199.62
  6. Step 6: Final answer
    x = 11,358.78

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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.