Home / 12,536.32-18,807.20-3,770.56

Finding the Fourth Proportional to 12,536.32, 18,807.20 and 3,770.56

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Solution

The fourth proportional to 12,536.32, 18,807.20 and 3,770.56 is: 5,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.32 : 18,807.20 = 3,770.56 : x
  2. Step 2: Convert to fraction form
    12,536.32/18,807.20 = 3,770.56/x
  3. Step 3: Cross multiply
    12,536.32x = 18,807.20 × 3,770.56
  4. Step 4: Simplify right side
    12,536.32x = 70,913,676.03
  5. Step 5: Solve for x
    x = 70,913,676.03/12,536.32
  6. Step 6: Final answer
    x = 5,656.66

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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.