Home / 12,355.81-18,536.67-4,035.85

Finding the Fourth Proportional to 12,355.81, 18,536.67 and 4,035.85

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Solution

The fourth proportional to 12,355.81, 18,536.67 and 4,035.85 is: 6,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.81 : 18,536.67 = 4,035.85 : x
  2. Step 2: Convert to fraction form
    12,355.81/18,536.67 = 4,035.85/x
  3. Step 3: Cross multiply
    12,355.81x = 18,536.67 × 4,035.85
  4. Step 4: Simplify right side
    12,355.81x = 74,811,173.28
  5. Step 5: Solve for x
    x = 74,811,173.28/12,355.81
  6. Step 6: Final answer
    x = 6,054.74

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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.