Home / 10,161.68-14,022.60-5,685.44

Finding the Fourth Proportional to 10,161.68, 14,022.60 and 5,685.44

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Solution

The fourth proportional to 10,161.68, 14,022.60 and 5,685.44 is: 7,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.68 : 14,022.60 = 5,685.44 : x
  2. Step 2: Convert to fraction form
    10,161.68/14,022.60 = 5,685.44/x
  3. Step 3: Cross multiply
    10,161.68x = 14,022.60 × 5,685.44
  4. Step 4: Simplify right side
    10,161.68x = 79,724,650.94
  5. Step 5: Solve for x
    x = 79,724,650.94/10,161.68
  6. Step 6: Final answer
    x = 7,845.62

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1.5x scale

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.