Home / 11,072.41-15,276.25-6,291.79

Finding the Fourth Proportional to 11,072.41, 15,276.25 and 6,291.79

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Solution

The fourth proportional to 11,072.41, 15,276.25 and 6,291.79 is: 8,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.41 : 15,276.25 = 6,291.79 : x
  2. Step 2: Convert to fraction form
    11,072.41/15,276.25 = 6,291.79/x
  3. Step 3: Cross multiply
    11,072.41x = 15,276.25 × 6,291.79
  4. Step 4: Simplify right side
    11,072.41x = 96,114,956.99
  5. Step 5: Solve for x
    x = 96,114,956.99/11,072.41
  6. Step 6: Final answer
    x = 8,680.58

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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.