Home / 11,904.26-16,427.84-6,868.40

Finding the Fourth Proportional to 11,904.26, 16,427.84 and 6,868.40

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Solution

The fourth proportional to 11,904.26, 16,427.84 and 6,868.40 is: 9,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.26 : 16,427.84 = 6,868.40 : x
  2. Step 2: Convert to fraction form
    11,904.26/16,427.84 = 6,868.40/x
  3. Step 3: Cross multiply
    11,904.26x = 16,427.84 × 6,868.40
  4. Step 4: Simplify right side
    11,904.26x = 112,832,976.26
  5. Step 5: Solve for x
    x = 112,832,976.26/11,904.26
  6. Step 6: Final answer
    x = 9,478.37

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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.