Home / 14,514.42-21,773.55-7,119.12

Finding the Fourth Proportional to 14,514.42, 21,773.55 and 7,119.12

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Solution

The fourth proportional to 14,514.42, 21,773.55 and 7,119.12 is: 10,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.42 : 21,773.55 = 7,119.12 : x
  2. Step 2: Convert to fraction form
    14,514.42/21,773.55 = 7,119.12/x
  3. Step 3: Cross multiply
    14,514.42x = 21,773.55 × 7,119.12
  4. Step 4: Simplify right side
    14,514.42x = 155,008,515.28
  5. Step 5: Solve for x
    x = 155,008,515.28/14,514.42
  6. Step 6: Final answer
    x = 10,679.62

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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.