Home / 12,152.34-16,770.96-8,112.24

Finding the Fourth Proportional to 12,152.34, 16,770.96 and 8,112.24

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Solution

The fourth proportional to 12,152.34, 16,770.96 and 8,112.24 is: 11,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.34 : 16,770.96 = 8,112.24 : x
  2. Step 2: Convert to fraction form
    12,152.34/16,770.96 = 8,112.24/x
  3. Step 3: Cross multiply
    12,152.34x = 16,770.96 × 8,112.24
  4. Step 4: Simplify right side
    12,152.34x = 136,050,052.55
  5. Step 5: Solve for x
    x = 136,050,052.55/12,152.34
  6. Step 6: Final answer
    x = 11,195.38

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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.