Home / 12,343.67-18,511.66-4,133.75

Finding the Fourth Proportional to 12,343.67, 18,511.66 and 4,133.75

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Solution

The fourth proportional to 12,343.67, 18,511.66 and 4,133.75 is: 6,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.67 : 18,511.66 = 4,133.75 : x
  2. Step 2: Convert to fraction form
    12,343.67/18,511.66 = 4,133.75/x
  3. Step 3: Cross multiply
    12,343.67x = 18,511.66 × 4,133.75
  4. Step 4: Simplify right side
    12,343.67x = 76,522,574.53
  5. Step 5: Solve for x
    x = 76,522,574.53/12,343.67
  6. Step 6: Final answer
    x = 6,199.34

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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.