Home / 18,774.82-28,161.15-6,294.34

Finding the Fourth Proportional to 18,774.82, 28,161.15 and 6,294.34

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Solution

The fourth proportional to 18,774.82, 28,161.15 and 6,294.34 is: 9,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.82 : 28,161.15 = 6,294.34 : x
  2. Step 2: Convert to fraction form
    18,774.82/28,161.15 = 6,294.34/x
  3. Step 3: Cross multiply
    18,774.82x = 28,161.15 × 6,294.34
  4. Step 4: Simplify right side
    18,774.82x = 177,255,852.89
  5. Step 5: Solve for x
    x = 177,255,852.89/18,774.82
  6. Step 6: Final answer
    x = 9,441.15

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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.