Home / 10,812.42-16,214.54-3,790.44

Finding the Fourth Proportional to 10,812.42, 16,214.54 and 3,790.44

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Solution

The fourth proportional to 10,812.42, 16,214.54 and 3,790.44 is: 5,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.42 : 16,214.54 = 3,790.44 : x
  2. Step 2: Convert to fraction form
    10,812.42/16,214.54 = 3,790.44/x
  3. Step 3: Cross multiply
    10,812.42x = 16,214.54 × 3,790.44
  4. Step 4: Simplify right side
    10,812.42x = 61,460,222.05
  5. Step 5: Solve for x
    x = 61,460,222.05/10,812.42
  6. Step 6: Final answer
    x = 5,684.22

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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.