Home / 11,904.68-16,430.78-6,868.73

Finding the Fourth Proportional to 11,904.68, 16,430.78 and 6,868.73

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Solution

The fourth proportional to 11,904.68, 16,430.78 and 6,868.73 is: 9,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.68 : 16,430.78 = 6,868.73 : x
  2. Step 2: Convert to fraction form
    11,904.68/16,430.78 = 6,868.73/x
  3. Step 3: Cross multiply
    11,904.68x = 16,430.78 × 6,868.73
  4. Step 4: Simplify right side
    11,904.68x = 112,858,591.51
  5. Step 5: Solve for x
    x = 112,858,591.51/11,904.68
  6. Step 6: Final answer
    x = 9,480.19

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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.