Home / 12,043.05-18,066.09-4,143.51

Finding the Fourth Proportional to 12,043.05, 18,066.09 and 4,143.51

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Solution

The fourth proportional to 12,043.05, 18,066.09 and 4,143.51 is: 6,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.05 : 18,066.09 = 4,143.51 : x
  2. Step 2: Convert to fraction form
    12,043.05/18,066.09 = 4,143.51/x
  3. Step 3: Cross multiply
    12,043.05x = 18,066.09 × 4,143.51
  4. Step 4: Simplify right side
    12,043.05x = 74,857,024.58
  5. Step 5: Solve for x
    x = 74,857,024.58/12,043.05
  6. Step 6: Final answer
    x = 6,215.79

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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.