Home / 10,514.85-15,772.33-3,119.36

Finding the Fourth Proportional to 10,514.85, 15,772.33 and 3,119.36

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Solution

The fourth proportional to 10,514.85, 15,772.33 and 3,119.36 is: 4,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.85 : 15,772.33 = 3,119.36 : x
  2. Step 2: Convert to fraction form
    10,514.85/15,772.33 = 3,119.36/x
  3. Step 3: Cross multiply
    10,514.85x = 15,772.33 × 3,119.36
  4. Step 4: Simplify right side
    10,514.85x = 49,199,575.31
  5. Step 5: Solve for x
    x = 49,199,575.31/10,514.85
  6. Step 6: Final answer
    x = 4,679.06

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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.