Home / 11,241.74-15,514.65-8,404.20

Finding the Fourth Proportional to 11,241.74, 15,514.65 and 8,404.20

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Solution

The fourth proportional to 11,241.74, 15,514.65 and 8,404.20 is: 11,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.74 : 15,514.65 = 8,404.20 : x
  2. Step 2: Convert to fraction form
    11,241.74/15,514.65 = 8,404.20/x
  3. Step 3: Cross multiply
    11,241.74x = 15,514.65 × 8,404.20
  4. Step 4: Simplify right side
    11,241.74x = 130,388,143.96
  5. Step 5: Solve for x
    x = 130,388,143.96/11,241.74
  6. Step 6: Final answer
    x = 11,598.58

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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.