Home / 12,550.05-17,318.95-6,884.68

Finding the Fourth Proportional to 12,550.05, 17,318.95 and 6,884.68

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Solution

The fourth proportional to 12,550.05, 17,318.95 and 6,884.68 is: 9,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.05 : 17,318.95 = 6,884.68 : x
  2. Step 2: Convert to fraction form
    12,550.05/17,318.95 = 6,884.68/x
  3. Step 3: Cross multiply
    12,550.05x = 17,318.95 × 6,884.68
  4. Step 4: Simplify right side
    12,550.05x = 119,235,428.69
  5. Step 5: Solve for x
    x = 119,235,428.69/12,550.05
  6. Step 6: Final answer
    x = 9,500.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.