Home / 10,400.42-15,600.71-4,160.97

Finding the Fourth Proportional to 10,400.42, 15,600.71 and 4,160.97

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Solution

The fourth proportional to 10,400.42, 15,600.71 and 4,160.97 is: 6,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.42 : 15,600.71 = 4,160.97 : x
  2. Step 2: Convert to fraction form
    10,400.42/15,600.71 = 4,160.97/x
  3. Step 3: Cross multiply
    10,400.42x = 15,600.71 × 4,160.97
  4. Step 4: Simplify right side
    10,400.42x = 64,914,096.69
  5. Step 5: Solve for x
    x = 64,914,096.69/10,400.42
  6. Step 6: Final answer
    x = 6,241.49

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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.