Home / 11,249.08-15,523.76-6,213.20

Finding the Fourth Proportional to 11,249.08, 15,523.76 and 6,213.20

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Solution

The fourth proportional to 11,249.08, 15,523.76 and 6,213.20 is: 8,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.08 : 15,523.76 = 6,213.20 : x
  2. Step 2: Convert to fraction form
    11,249.08/15,523.76 = 6,213.20/x
  3. Step 3: Cross multiply
    11,249.08x = 15,523.76 × 6,213.20
  4. Step 4: Simplify right side
    11,249.08x = 96,452,225.63
  5. Step 5: Solve for x
    x = 96,452,225.63/11,249.08
  6. Step 6: Final answer
    x = 8,574.23

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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.