Home / 11,523.20-15,904.32-6,805.12

Finding the Fourth Proportional to 11,523.20, 15,904.32 and 6,805.12

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Solution

The fourth proportional to 11,523.20, 15,904.32 and 6,805.12 is: 9,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.20 : 15,904.32 = 6,805.12 : x
  2. Step 2: Convert to fraction form
    11,523.20/15,904.32 = 6,805.12/x
  3. Step 3: Cross multiply
    11,523.20x = 15,904.32 × 6,805.12
  4. Step 4: Simplify right side
    11,523.20x = 108,230,806.12
  5. Step 5: Solve for x
    x = 108,230,806.12/11,523.20
  6. Step 6: Final answer
    x = 9,392.43

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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.