Home / 12,208.29-18,313.21-4,715.43

Finding the Fourth Proportional to 12,208.29, 18,313.21 and 4,715.43

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Solution

The fourth proportional to 12,208.29, 18,313.21 and 4,715.43 is: 7,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.29 : 18,313.21 = 4,715.43 : x
  2. Step 2: Convert to fraction form
    12,208.29/18,313.21 = 4,715.43/x
  3. Step 3: Cross multiply
    12,208.29x = 18,313.21 × 4,715.43
  4. Step 4: Simplify right side
    12,208.29x = 86,354,597.05
  5. Step 5: Solve for x
    x = 86,354,597.05/12,208.29
  6. Step 6: Final answer
    x = 7,073.44

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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.