Home / 11,554.20-15,937.92-7,015.32

Finding the Fourth Proportional to 11,554.20, 15,937.92 and 7,015.32

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Solution

The fourth proportional to 11,554.20, 15,937.92 and 7,015.32 is: 9,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.20 : 15,937.92 = 7,015.32 : x
  2. Step 2: Convert to fraction form
    11,554.20/15,937.92 = 7,015.32/x
  3. Step 3: Cross multiply
    11,554.20x = 15,937.92 × 7,015.32
  4. Step 4: Simplify right side
    11,554.20x = 111,809,608.93
  5. Step 5: Solve for x
    x = 111,809,608.93/11,554.20
  6. Step 6: Final answer
    x = 9,676.97

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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.