Home / 10,439.72-15,662.01-3,514.22

Finding the Fourth Proportional to 10,439.72, 15,662.01 and 3,514.22

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Solution

The fourth proportional to 10,439.72, 15,662.01 and 3,514.22 is: 5,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.72 : 15,662.01 = 3,514.22 : x
  2. Step 2: Convert to fraction form
    10,439.72/15,662.01 = 3,514.22/x
  3. Step 3: Cross multiply
    10,439.72x = 15,662.01 × 3,514.22
  4. Step 4: Simplify right side
    10,439.72x = 55,039,722.62
  5. Step 5: Solve for x
    x = 55,039,722.62/10,439.72
  6. Step 6: Final answer
    x = 5,272.15

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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.