Home / 11,249.81-15,524.85-6,214.02

Finding the Fourth Proportional to 11,249.81, 15,524.85 and 6,214.02

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Solution

The fourth proportional to 11,249.81, 15,524.85 and 6,214.02 is: 8,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.81 : 15,524.85 = 6,214.02 : x
  2. Step 2: Convert to fraction form
    11,249.81/15,524.85 = 6,214.02/x
  3. Step 3: Cross multiply
    11,249.81x = 15,524.85 × 6,214.02
  4. Step 4: Simplify right side
    11,249.81x = 96,471,728.40
  5. Step 5: Solve for x
    x = 96,471,728.40/11,249.81
  6. Step 6: Final answer
    x = 8,575.41

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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.