Home / 20,894.96-28,834.81-11,463.53

Finding the Fourth Proportional to 20,894.96, 28,834.81 and 11,463.53

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Solution

The fourth proportional to 20,894.96, 28,834.81 and 11,463.53 is: 15,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.96 : 28,834.81 = 11,463.53 : x
  2. Step 2: Convert to fraction form
    20,894.96/28,834.81 = 11,463.53/x
  3. Step 3: Cross multiply
    20,894.96x = 28,834.81 × 11,463.53
  4. Step 4: Simplify right side
    20,894.96x = 330,548,536.65
  5. Step 5: Solve for x
    x = 330,548,536.65/20,894.96
  6. Step 6: Final answer
    x = 15,819.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.