Home / 18,495.58-27,750.35-11,105.19

Finding the Fourth Proportional to 18,495.58, 27,750.35 and 11,105.19

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Solution

The fourth proportional to 18,495.58, 27,750.35 and 11,105.19 is: 16,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.58 : 27,750.35 = 11,105.19 : x
  2. Step 2: Convert to fraction form
    18,495.58/27,750.35 = 11,105.19/x
  3. Step 3: Cross multiply
    18,495.58x = 27,750.35 × 11,105.19
  4. Step 4: Simplify right side
    18,495.58x = 308,172,937.08
  5. Step 5: Solve for x
    x = 308,172,937.08/18,495.58
  6. Step 6: Final answer
    x = 16,661.98

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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.