Home / 12,039.79-18,059.76-4,144.11

Finding the Fourth Proportional to 12,039.79, 18,059.76 and 4,144.11

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Solution

The fourth proportional to 12,039.79, 18,059.76 and 4,144.11 is: 6,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.79 : 18,059.76 = 4,144.11 : x
  2. Step 2: Convert to fraction form
    12,039.79/18,059.76 = 4,144.11/x
  3. Step 3: Cross multiply
    12,039.79x = 18,059.76 × 4,144.11
  4. Step 4: Simplify right side
    12,039.79x = 74,841,665.88
  5. Step 5: Solve for x
    x = 74,841,665.88/12,039.79
  6. Step 6: Final answer
    x = 6,216.19

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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.