Home / 12,472.12-18,708.14-3,238.12

Finding the Fourth Proportional to 12,472.12, 18,708.14 and 3,238.12

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Solution

The fourth proportional to 12,472.12, 18,708.14 and 3,238.12 is: 4,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.12 : 18,708.14 = 3,238.12 : x
  2. Step 2: Convert to fraction form
    12,472.12/18,708.14 = 3,238.12/x
  3. Step 3: Cross multiply
    12,472.12x = 18,708.14 × 3,238.12
  4. Step 4: Simplify right side
    12,472.12x = 60,579,186.11
  5. Step 5: Solve for x
    x = 60,579,186.11/12,472.12
  6. Step 6: Final answer
    x = 4,857.17

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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.