Home / 11,248.32-15,523.12-6,212.80

Finding the Fourth Proportional to 11,248.32, 15,523.12 and 6,212.80

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Solution

The fourth proportional to 11,248.32, 15,523.12 and 6,212.80 is: 8,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.32 : 15,523.12 = 6,212.80 : x
  2. Step 2: Convert to fraction form
    11,248.32/15,523.12 = 6,212.80/x
  3. Step 3: Cross multiply
    11,248.32x = 15,523.12 × 6,212.80
  4. Step 4: Simplify right side
    11,248.32x = 96,442,039.94
  5. Step 5: Solve for x
    x = 96,442,039.94/11,248.32
  6. Step 6: Final answer
    x = 8,573.91

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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.