Home / 18,774.24-28,147.52-11,376.96

Finding the Fourth Proportional to 18,774.24, 28,147.52 and 11,376.96

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Solution

The fourth proportional to 18,774.24, 28,147.52 and 11,376.96 is: 17,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.24 : 28,147.52 = 11,376.96 : x
  2. Step 2: Convert to fraction form
    18,774.24/28,147.52 = 11,376.96/x
  3. Step 3: Cross multiply
    18,774.24x = 28,147.52 × 11,376.96
  4. Step 4: Simplify right side
    18,774.24x = 320,233,209.14
  5. Step 5: Solve for x
    x = 320,233,209.14/18,774.24
  6. Step 6: Final answer
    x = 17,057.05

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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.