Home / 12,134.98-18,204.39-4,343.62

Finding the Fourth Proportional to 12,134.98, 18,204.39 and 4,343.62

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Solution

The fourth proportional to 12,134.98, 18,204.39 and 4,343.62 is: 6,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.98 : 18,204.39 = 4,343.62 : x
  2. Step 2: Convert to fraction form
    12,134.98/18,204.39 = 4,343.62/x
  3. Step 3: Cross multiply
    12,134.98x = 18,204.39 × 4,343.62
  4. Step 4: Simplify right side
    12,134.98x = 79,072,952.49
  5. Step 5: Solve for x
    x = 79,072,952.49/12,134.98
  6. Step 6: Final answer
    x = 6,516.12

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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.