Home / 11,256.38-15,533.74-6,220.95

Finding the Fourth Proportional to 11,256.38, 15,533.74 and 6,220.95

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Solution

The fourth proportional to 11,256.38, 15,533.74 and 6,220.95 is: 8,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.38 : 15,533.74 = 6,220.95 : x
  2. Step 2: Convert to fraction form
    11,256.38/15,533.74 = 6,220.95/x
  3. Step 3: Cross multiply
    11,256.38x = 15,533.74 × 6,220.95
  4. Step 4: Simplify right side
    11,256.38x = 96,634,619.85
  5. Step 5: Solve for x
    x = 96,634,619.85/11,256.38
  6. Step 6: Final answer
    x = 8,584.88

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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.