Home / 18,774.86-28,162.62-6,292.53

Finding the Fourth Proportional to 18,774.86, 28,162.62 and 6,292.53

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Solution

The fourth proportional to 18,774.86, 28,162.62 and 6,292.53 is: 9,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.86 : 28,162.62 = 6,292.53 : x
  2. Step 2: Convert to fraction form
    18,774.86/28,162.62 = 6,292.53/x
  3. Step 3: Cross multiply
    18,774.86x = 28,162.62 × 6,292.53
  4. Step 4: Simplify right side
    18,774.86x = 177,214,131.23
  5. Step 5: Solve for x
    x = 177,214,131.23/18,774.86
  6. Step 6: Final answer
    x = 9,438.91

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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.