Home / 11,402.09-15,735.68-6,367.30

Finding the Fourth Proportional to 11,402.09, 15,735.68 and 6,367.30

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Solution

The fourth proportional to 11,402.09, 15,735.68 and 6,367.30 is: 8,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.09 : 15,735.68 = 6,367.30 : x
  2. Step 2: Convert to fraction form
    11,402.09/15,735.68 = 6,367.30/x
  3. Step 3: Cross multiply
    11,402.09x = 15,735.68 × 6,367.30
  4. Step 4: Simplify right side
    11,402.09x = 100,193,795.26
  5. Step 5: Solve for x
    x = 100,193,795.26/11,402.09
  6. Step 6: Final answer
    x = 8,787.32

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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.