Home / 11,837.56-17,756.32-11,115.84

Finding the Fourth Proportional to 11,837.56, 17,756.32 and 11,115.84

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Solution

The fourth proportional to 11,837.56, 17,756.32 and 11,115.84 is: 16,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.56 : 17,756.32 = 11,115.84 : x
  2. Step 2: Convert to fraction form
    11,837.56/17,756.32 = 11,115.84/x
  3. Step 3: Cross multiply
    11,837.56x = 17,756.32 × 11,115.84
  4. Step 4: Simplify right side
    11,837.56x = 197,376,412.11
  5. Step 5: Solve for x
    x = 197,376,412.11/11,837.56
  6. Step 6: Final answer
    x = 16,673.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.