Home / 11,215.43-16,823.05-2,894.73

Finding the Fourth Proportional to 11,215.43, 16,823.05 and 2,894.73

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Solution

The fourth proportional to 11,215.43, 16,823.05 and 2,894.73 is: 4,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.43 : 16,823.05 = 2,894.73 : x
  2. Step 2: Convert to fraction form
    11,215.43/16,823.05 = 2,894.73/x
  3. Step 3: Cross multiply
    11,215.43x = 16,823.05 × 2,894.73
  4. Step 4: Simplify right side
    11,215.43x = 48,698,187.53
  5. Step 5: Solve for x
    x = 48,698,187.53/11,215.43
  6. Step 6: Final answer
    x = 4,342.07

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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.