Home / 11,021.93-15,209.76-6,241.77

Finding the Fourth Proportional to 11,021.93, 15,209.76 and 6,241.77

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Solution

The fourth proportional to 11,021.93, 15,209.76 and 6,241.77 is: 8,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.93 : 15,209.76 = 6,241.77 : x
  2. Step 2: Convert to fraction form
    11,021.93/15,209.76 = 6,241.77/x
  3. Step 3: Cross multiply
    11,021.93x = 15,209.76 × 6,241.77
  4. Step 4: Simplify right side
    11,021.93x = 94,935,716.42
  5. Step 5: Solve for x
    x = 94,935,716.42/11,021.93
  6. Step 6: Final answer
    x = 8,613.35

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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.