Home / 10,818.39-16,232.22-3,423.45

Finding the Fourth Proportional to 10,818.39, 16,232.22 and 3,423.45

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Solution

The fourth proportional to 10,818.39, 16,232.22 and 3,423.45 is: 5,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.39 : 16,232.22 = 3,423.45 : x
  2. Step 2: Convert to fraction form
    10,818.39/16,232.22 = 3,423.45/x
  3. Step 3: Cross multiply
    10,818.39x = 16,232.22 × 3,423.45
  4. Step 4: Simplify right side
    10,818.39x = 55,570,193.56
  5. Step 5: Solve for x
    x = 55,570,193.56/10,818.39
  6. Step 6: Final answer
    x = 5,136.64

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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.